chore: add prettier

.eslintrc

@@ -1,57 +1,12 @@
 {
-    // Parser
+    "extends": [
+        "eslint:recommended",
+        "prettier"
+    ],
     "parser": "babel-eslint",
-    // ECMA Features
-    "ecmaFeatures": {
-        "arrowFunctions": true,
-        "blockBindings": true,
-        "classes": true,
-        "defaultParams": true,
-        "destructuring": true,
-        "modules": true,
-        "objectLiteralComputedProperties": true,
-        "templateStrings": true
-    },
-    "rules": {
-        // Possible Errors
-        "no-dupe-args": 2,
-        "no-dupe-keys": 2,
-        "no-empty": 2,
-        "no-func-assign": 2,
-        "no-inner-declarations": 2,
-        "no-unreachable": 2,
-        "no-unexpected-multiline": 2,
-        // Best practices
-        "consistent-return": 0,
-        "curly": [2, "multi-line"],
-        "eqeqeq": 2,
-        "no-else-return": 2,
-        "no-multi-spaces": 0,
-        // Strict mode
-        "strict": 0,
-        // Variables
-        "no-shadow": 0,
-        "no-unused-vars": 2,
-        "no-use-before-define": 0,
-        // Style
-        "brace-style": [2, "1tbs"],
-        "comma-spacing": [2, {"before": false, "after": true}],
-        "comma-style": [2, "last"],
-        "consistent-this":  [2, "that"],
-        "lines-around-comment": [2, {"allowBlockStart": true}],
-        "key-spacing": 0,
-        "new-parens": 0,
-        "quotes": [2, "single", "avoid-escape"],
-        "no-underscore-dangle": 0,
-        "no-unneeded-ternary": 2,
-        "semi": 2,
-        // ES6
-        "no-var": 2,
-        "no-this-before-super": 2,
-        "object-shorthand": 2,
-    },
     "env": {
         "node": true,
-        "browser": true
+        "browser": true,
+        "mocha": true
     }
 }

.prettierrc

@@ -0,0 +1,6 @@
+{
+    "tabWidth": 4,
+    "semi": false,
+    "singleQuote": true
+  }
+