refactor(types): centralize type definitions in shared types file

Move all interface and type definitions to src/types/index.ts to reduce code duplication and improve maintainability. This includes types for components, blog posts, personal info, and localization.

tsconfig.json

@@ -3,6 +3,7 @@
   "include": [
     ".astro/types.d.ts",
     "src/**/*.ts",
+    "src/**/*.tsx",
     "src/**/*.astro",
   ],
   "exclude": [