Update Fedimint configuration and enhance onboarding process

- Upgraded Fedimint version to v0.10.0 in docker-compose.yml and manifest.yml, adding support for the built-in Guardian UI.
- Modified .gitignore to exclude deploy-config.sh script.
- Enhanced onboarding process in AuthManager to persist onboarding state and validate password strength during user setup.
- Updated API to handle onboarding completion and password change requests, ensuring a smoother user experience.
- Improved configuration management to support Nostr discovery and Tor proxy settings, enhancing node identity features.

neode-ui/public/assets/img/app-icons/README.md

@@ -0,0 +1,11 @@
+# App Icons – Canonical Source
+
+**This is the single source of truth for all app icons.**
+
+- **Path**: `neode-ui/public/assets/img/app-icons/`
+- **Naming**: `{app-id}.{ext}` (e.g. `fedimint.png`, `mempool.webp`, `lnd.svg`)
+- **Formats**: PNG, WebP, or SVG (prefer WebP for size, SVG for scalability)
+
+All references in the codebase use `/assets/img/app-icons/{filename}`. Build outputs (web/dist, image-recipe) copy from here.
+
+To add an icon: place the file here with the app-id as the filename. Run `npm run build` to update deployed assets.