fix(config): stricter typescript for better type inference

front/tsconfig.json

@@ -4,6 +4,7 @@
     "baseUrl": ".",
     "sourceMap": true,
     "noUnusedLocals": true,
+    "noImplicitAny": true,
     "experimentalDecorators": true,
     "typeRoots": ["node_modules", "node_modules/@types"],
     "types": [