Add Angor Project Endpoints to Mempool REST API Documentation (#39)

* Fix sync-assets-dev script path in package.json

* Add Angor project endpoints to REST API docs

Added new endpoints to the mempool REST API documentation under the Angor category:
- GET /api/query/Angor/projects/{projectId} - Project details
- GET /api/query/Angor/projects/{projectId}/stats - Project statistics
- GET /api/query/Angor/projects/{projectId}/investments - List of investments with pagination
- GET /api/query/Angor/projects/{projectId}/investments/{investorPublicKey} - Specific investment details

Includes code examples, response samples, and parameter documentation for mainnet, testnet, and signet environments.

* Update Angor projects API endpoint URL in documentation

* Update Angor projects API endpoint URL in documentation

Author: miladsoft

frontend/package.json

@@ -36,7 +36,7 @@
     "start:mixed": "npm run generate-config && npm run sync-assets-dev && npm run ng -- serve -c mixed",
     "build": "npm run generate-config && npm run ng -- build --configuration production --localize && npm run sync-assets-dev && npm run sync-assets && npm run build-mempool.js",
     "sync-assets": "rsync -av ./src/resources ./dist/mempool/browser && node sync-assets.js 'dist/mempool/browser/resources/'",
-    "sync-assets-dev": "node sync-assets.js 'src/resources/'",
+    "sync-assets-dev": "node sync-assets.js src/resources/",
     "generate-config": "node generate-config.js",
     "build-mempool.js": "npm run build-mempool-js && npm run build-mempool-liquid-js",
     "build-mempool-js": "browserify -p tinyify ./node_modules/@mempool/mempool.js/lib/index.js --standalone mempoolJS > ./dist/mempool/browser/en-US/mempool.js",