test: Use strict angular compilation options in demo

Author: zak-cloudnc

src/tsconfig.app.json

@@ -4,5 +4,10 @@
     "outDir": "../out-tsc/app",
     "types": []
   },
-  "files": ["main.ts", "polyfills.ts"]
+  "files": ["main.ts", "polyfills.ts"],
+  "angularCompilerOptions": {
+    "fullTemplateTypeCheck": true,
+    "strictInjectionParameters": true,
+    "strictTemplates": true
+  }
 }