Add comprehensive installation and setup documentation

- Add GETTING_STARTED.md with quick start guide and development modes
- Add INSTALL.sh automated installation script
- Add INSTALLATION_CHECKLIST.md, INSTALLATION_SUCCESS.md, and INSTALLATION_SUMMARY.md
- Add QUICK_REFERENCE.md for common commands
- Add SETUP_GUIDE.md with detailed setup instructions
- Update README.md with improved project overview
- Add did-wallet app dependencies and node_modules

apps/router/node_modules/array-flatten/LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2014 Blake Embrey (hello@blakeembrey.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

apps/router/node_modules/array-flatten/README.md

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+# Array Flatten
+
+[![NPM version][npm-image]][npm-url]
+[![NPM downloads][downloads-image]][downloads-url]
+[![Build status][travis-image]][travis-url]
+[![Test coverage][coveralls-image]][coveralls-url]
+
+> Flatten nested arrays.
+
+## Installation
+
+```
+npm install array-flatten --save
+```
+
+## Usage
+
+```javascript
+var flatten = require('array-flatten')
+
+flatten([1, [2, [3, [4, [5], 6], 7], 8], 9])
+//=> [1, 2, 3, 4, 5, 6, 7, 8, 9]
+
+flatten.depth([1, [2, [3, [4, [5], 6], 7], 8], 9], 2)
+//=> [1, 2, 3, [4, [5], 6], 7, 8, 9]
+
+(function () {
+  flatten.from(arguments) //=> [1, 2, 3]
+})(1, [2, 3])
+```
+
+### Methods
+
+* **flatten(array)** Flatten a nested array structure
+* **flatten.from(arrayish)** Flatten an array-like structure (E.g. arguments)
+* **flatten.depth(array, depth)** Flatten a nested array structure with a specific depth
+* **flatten.fromDepth(arrayish, depth)** Flatten an array-like structure with a specific depth
+
+## License
+
+MIT
+
+[npm-image]: https://img.shields.io/npm/v/array-flatten.svg?style=flat
+[npm-url]: https://npmjs.org/package/array-flatten
+[downloads-image]: https://img.shields.io/npm/dm/array-flatten.svg?style=flat
+[downloads-url]: https://npmjs.org/package/array-flatten
+[travis-image]: https://img.shields.io/travis/blakeembrey/array-flatten.svg?style=flat
+[travis-url]: https://travis-ci.org/blakeembrey/array-flatten
+[coveralls-image]: https://img.shields.io/coveralls/blakeembrey/array-flatten.svg?style=flat
+[coveralls-url]: https://coveralls.io/r/blakeembrey/array-flatten?branch=master

apps/router/node_modules/array-flatten/array-flatten.d.ts

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+declare function flatten <T> (array: flatten.NestedArray<T>): T[];
+
+declare namespace flatten {
+  export interface NestedArray <T> extends ReadonlyArray<T | NestedArray<T>> {}
+
+  export interface NestedList <T> {
+    [index: number]: T | NestedList<T>;
+    length: number;
+  }
+
+  export function from <T> (array: NestedList<T>): T[];
+  export function depth <T> (array: NestedArray<T>, depth: number): NestedArray<T>;
+  export function depthFrom <T> (array: NestedList<T>, depth: number): NestedArray<T>;
+}
+
+export = flatten;

apps/router/node_modules/array-flatten/array-flatten.js

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+'use strict'
+
+/**
+ * Expose `arrayFlatten`.
+ */
+module.exports = flatten
+module.exports.from = flattenFrom
+module.exports.depth = flattenDepth
+module.exports.fromDepth = flattenFromDepth
+
+/**
+ * Flatten an array.
+ *
+ * @param  {Array} array
+ * @return {Array}
+ */
+function flatten (array) {
+  if (!Array.isArray(array)) {
+    throw new TypeError('Expected value to be an array')
+  }
+
+  return flattenFrom(array)
+}
+
+/**
+ * Flatten an array-like structure.
+ *
+ * @param  {Array} array
+ * @return {Array}
+ */
+function flattenFrom (array) {
+  return flattenDown(array, [])
+}
+
+/**
+ * Flatten an array-like structure with depth.
+ *
+ * @param  {Array}  array
+ * @param  {number} depth
+ * @return {Array}
+ */
+function flattenDepth (array, depth) {
+  if (!Array.isArray(array)) {
+    throw new TypeError('Expected value to be an array')
+  }
+
+  return flattenFromDepth(array, depth)
+}
+
+/**
+ * Flatten an array-like structure with depth.
+ *
+ * @param  {Array}  array
+ * @param  {number} depth
+ * @return {Array}
+ */
+function flattenFromDepth (array, depth) {
+  if (typeof depth !== 'number') {
+    throw new TypeError('Expected the depth to be a number')
+  }
+
+  return flattenDownDepth(array, [], depth)
+}
+
+/**
+ * Flatten an array indefinitely.
+ *
+ * @param  {Array} array
+ * @param  {Array} result
+ * @return {Array}
+ */
+function flattenDown (array, result) {
+  for (var i = 0; i < array.length; i++) {
+    var value = array[i]
+
+    if (Array.isArray(value)) {
+      flattenDown(value, result)
+    } else {
+      result.push(value)
+    }
+  }
+
+  return result
+}
+
+/**
+ * Flatten an array with depth.
+ *
+ * @param  {Array}  array
+ * @param  {Array}  result
+ * @param  {number} depth
+ * @return {Array}
+ */
+function flattenDownDepth (array, result, depth) {
+  depth--
+
+  for (var i = 0; i < array.length; i++) {
+    var value = array[i]
+
+    if (depth > -1 && Array.isArray(value)) {
+      flattenDownDepth(value, result, depth)
+    } else {
+      result.push(value)
+    }
+  }
+
+  return result
+}

apps/router/node_modules/array-flatten/package.json

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+{
+  "name": "array-flatten",
+  "version": "2.1.2",
+  "description": "Flatten nested arrays",
+  "main": "array-flatten.js",
+  "typings": "array-flatten.d.ts",
+  "files": [
+    "array-flatten.js",
+    "array-flatten.d.ts",
+    "LICENSE"
+  ],
+  "scripts": {
+    "lint": "standard",
+    "test-spec": "mocha -R spec --bail",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- -R spec --bail",
+    "test": "npm run lint && npm run test-cov",
+    "benchmark": "node benchmark"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/blakeembrey/array-flatten.git"
+  },
+  "keywords": [
+    "array",
+    "flatten",
+    "arguments",
+    "depth",
+    "fast",
+    "for"
+  ],
+  "author": {
+    "name": "Blake Embrey",
+    "email": "hello@blakeembrey.com",
+    "url": "http://blakeembrey.me"
+  },
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/blakeembrey/array-flatten/issues"
+  },
+  "homepage": "https://github.com/blakeembrey/array-flatten",
+  "devDependencies": {
+    "benchmarked": "^2.0.0",
+    "istanbul": "^0.4.0",
+    "mocha": "^3.1.2",
+    "standard": "^10.0.0"
+  }
+}