feat(frontend): Add vue-tsc, fix some types errors

legalconsenthub/tsconfig.json

@@ -1,4 +1,10 @@
 {
   // https://nuxt.com/docs/guide/concepts/typescript
-  "extends": "./.nuxt/tsconfig.json"
+  "extends": "./.nuxt/tsconfig.json",
+  "compilerOptions": {
+    // Prevents the following error with openapi generated code (came with nuxt 3.12):
+    // ERROR(vue-tsc)  This parameter property must have an 'override' modifier because it overrides a member in base class 'Error'.
+    // FILE  /Users/denislugowski/Projekte/legalconsenthub/legalconsenthub/.api-client/runtime.ts:276:5
+    "noImplicitOverride": false
+  }
 }