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/web5-dwn/node_modules/catering/index.d.ts

@@ -0,0 +1,10 @@
+export function fromCallback<T, S extends symbol>(callback: Callback<T> | undefined, symbol: S)
+  : Callback<T> & { [K in S]?: Promise<T> };
+
+export function fromCallback<T>(callback: Callback<T> | undefined)
+  : Callback<T> & { promise?: Promise<T> };
+
+export function fromPromise<T>(promise: Promise<T>, callback: Callback<T> | undefined)
+  : Promise<T> | undefined;
+
+type Callback<T> = (err: Error | null, result: T) => void;