Add main entry point and repository metadata to package.json

package.json

@@ -1,6 +1,7 @@
 {
   "name": "angular-portfolio-seite",
   "version": "3.1.11",
+  "main": "src/server.ts",
   "scripts": {
     "dev": "npm run updateProjectVersion && ng serve",
     "test": "ng test",
@@ -11,6 +12,16 @@
     "buildProduction": "npm run clean && ng build --configuration production && echo SUCCEED PROD BUILD && npm run updateProjectVersion",
     "start": "node dist/server/server.mjs"
   },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/FrauJulian/Personal-Portfolio-Website"
+  },
+  "author": {
+    "name": "Lechner Julian",
+    "nickname": "FrauJulian",
+    "email": "contact@fraujulian.xyz",
+    "website": "https://fraujulian.xyz/"
+  },
   "private": true,
   "dependencies": {
     "@angular/animations": "^19.2.14",