WIP: Fix Electron build issues and migrate to @nostr/tools

- Fix TypeScript compilation errors in platform services
- Add missing rotateCamera method and isNativeApp property
- Fix index.html path resolution for packaged Electron apps
- Create separate Vite config for Electron renderer process
- Migrate from nostr-tools to @nostr/tools via JSR for ESM compatibility
- Update all Vite configs to handle mixed npm/JSR package management
- Add comprehensive documentation in BUILDING.md
- Fix preload script path resolution in packaged builds

Resolves build failures with deep imports and missing UI in AppImage.

src/views/HomeView.vue

@@ -345,7 +345,6 @@ import { logger } from "../utils/logger";
 import { GiveRecordWithContactInfo } from "../interfaces/give";
 import { PlatformServiceFactory } from "@/services/PlatformServiceFactory";
 import * as Package from "../../package.json";
-import { id_ce_authorityKeyIdentifier } from "node_modules/@simplewebauthn/server/esm/deps";
 
 interface Claim {
   claim?: Claim; // For nested claims in Verifiable Credentials