Fixed all linting errors

Author: eightants

application/.eslintrc

@@ -3,10 +3,8 @@
     "browser": true,
     "es2021": true
   },
-  "extends": [
-    "eslint:recommended",
-    "plugin:@typescript-eslint/recommended"
-  ],
+  "ignorePatterns": ["node_modules/*", "**/vendor/*.js"],
+  "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
   "parser": "@typescript-eslint/parser",
   "parserOptions": {
     "ecmaVersion": 12,
@@ -17,6 +15,7 @@
     "@typescript-eslint/ban-types": "off",
     "@typescript-eslint/no-empty-function": "off",
     "@typescript-eslint/no-explicit-any": "off",
-    "@typescript-eslint/no-unused-vars": "warn"
+    "@typescript-eslint/no-unused-vars": "warn",
+    "@typescript-eslint/explicit-module-boundary-types": "off"
   }
 }

application/package-lock.json

@@ -75,6 +75,7 @@
     "karma-coverage-istanbul-reporter": "~2.0.1",
     "karma-jasmine": "~2.0.1",
     "karma-jasmine-html-reporter": "^1.4.0",
+    "prettier": "^2.3.0",
     "protractor": "~5.4.0",
     "ts-loader": "^5.2.0",
     "ts-node": "~7.0.0",