strict mode, bind types and fixed include to point on src

tsconfig.json

@@ -1,5 +1,6 @@
 {
   "compilerOptions": {
+    "strict": true,
     "baseUrl": "src",
     "module": "CommonJS",
     "esModuleInterop": true,
@@ -12,6 +13,7 @@
     "resolveJsonModule": true,
     "types": ["node", "chrome"],
     "typeRoots": ["node_modules/@types"],
+    "strictBindCallApply": true,
     "paths": {
       "@typing/*": ["types/*"],
       "@utils/*": ["utils/*"],
@@ -19,5 +21,5 @@
       "@questions/*": ["core/question/*"]
     }
   },
-  "include": ["**/*"]
+  "include": ["src/**/*"]
 }