Added ESLint & Stylelint (ArekSredzki#219)

Extends eslint:recommended & stylelint-config-standard

.eslintrc.js

@@ -0,0 +1,31 @@
+module.exports = {
+  'env': {
+    'browser': true,
+    'commonjs': true,
+    'es6': true,
+    'jquery': true,
+    'node': true
+  },
+  'extends': [
+    'eslint:recommended'
+  ],
+  'globals': {
+    'angular': 'readonly',
+    'sails': 'readonly',
+
+    'Asset': 'readonly',
+    'Channel': 'readonly',
+    'Flavor': 'readonly',
+    'Version': 'readonly',
+
+    'AssetService': 'readonly',
+    'AuthService': 'readonly',
+    'AuthToken': 'readonly',
+    'ChannelService': 'readonly',
+    'FlavorService': 'readonly',
+    'PlatformService': 'readonly',
+    'UtilityService': 'readonly',
+    'VersionService': 'readonly',
+    'WindowsReleaseService': 'readonly'
+  }
+};

.stylelintrc

@@ -0,0 +1,7 @@
+{
+  "extends": "stylelint-config-standard",
+  "rules": {
+    "at-rule-no-unknown": null,
+    "no-descending-specificity": null
+  }
+}

package.json

@@ -49,13 +49,20 @@
     "debug": "node debug app.js",
     "start": "node app.js",
     "migrate": "db-migrate",
-    "postinstall": "bower install"
+    "postinstall": "bower install",
+    "eslint": "eslint ./*.js api assets/js config migrations tasks",
+    "stylelint": "stylelint assets/styles/*.*"
   },
   "main": "app.js",
   "author": {
     "name": "Arek Sredzki",
     "email": "[email protected]",
     "url": "http://arek.io/"
   },
-  "license": "MIT"
+  "license": "MIT",
+  "devDependencies": {
+    "eslint": "^6.5.1",
+    "stylelint": "^11.0.0",
+    "stylelint-config-standard": "^19.0.0"
+  }
 }