featmigrate from Angular to Astro static site

BREAKING CHANGE: Complete rewrite from Angular SPA to Astro

- Replace Angular 18 with Astro 5.16.7 + Tailwind CSS
- Convert all Angular components to Astro components
- Add content collections for blog with markdown support
- Setup S3 deployment with CloudFront invalidation
- Add RSS feed and sitemap generation
- Configure Prettier and Biome for code formatting
- Switch from npm to pnpm
- Remove Amplify backend (now fully static)
- Improve SEO and performance with static generation

tsconfig.json

@@ -1,33 +1,7 @@
-/* To learn more about this file see: https://angular.io/config/tsconfig. */
 {
-  "compileOnSave": false,
-  "compilerOptions": {
-    "outDir": "./dist/out-tsc",
-    "forceConsistentCasingInFileNames": true,
-    "strict": true,
-    "noImplicitOverride": true,
-    "noPropertyAccessFromIndexSignature": true,
-    "noImplicitReturns": true,
-    "noFallthroughCasesInSwitch": true,
-    "skipLibCheck": true,
-    "esModuleInterop": true,
-    "sourceMap": true,
-    "declaration": false,
-    "experimentalDecorators": true,
-    "moduleResolution": "node",
-    "importHelpers": true,
-    "target": "ES2022",
-    "module": "ES2022",
-    "useDefineForClassFields": false,
-    "lib": [
-      "ES2022",
-      "dom"
-    ]
-  },
-  "angularCompilerOptions": {
-    "enableI18nLegacyMessageIdFormat": false,
-    "strictInjectionParameters": true,
-    "strictInputAccessModifiers": true,
-    "strictTemplates": true
-  }
+	"extends": "astro/tsconfigs/strict",
+	"compilerOptions": {
+		"jsx": "react-jsx",
+		"jsxImportSource": "react"
+	}
 }