refactor(lint): add eslint, commitlint, husky

fix lint issues

Author: rolandszoke

.eslintrc.json

@@ -0,0 +1,19 @@
+{
+  "parser": "babel-eslint",
+  "extends": ["airbnb", "prettier"],
+  "plugins": ["prettier"],
+  "rules": {
+    "prettier/prettier": ["error"],
+    "import/prefer-default-export": "off",
+    "import/no-extraneous-dependencies": "off",
+    "import/no-mutable-exports": "off",
+    "no-nested-ternary": "off",
+    "no-param-reassign": "off",
+    "func-names": "off"
+  },
+  "globals": {
+    "window": true,
+    "EventTarget": true,
+    "WebSocket": true
+  }
+}

.prettierrc

@@ -0,0 +1,6 @@
+{
+  "semi": true,
+  "trailingComma": "all",
+  "singleQuote": true,
+  "printWidth": 70
+}

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+  "files.insertFinalNewline": true,
+  "files.trimFinalNewlines": true,
+  "editor.defaultFormatter": "esbenp.prettier-vscode",
+  "editor.formatOnSave": true
+}