adding eslint and prettier

.eslintrc

@@ -0,0 +1,31 @@
+{
+  "env": {
+    "commonjs": true,
+    "es6": true,
+    "node": true
+  },
+  "extends": ["airbnb", "prettier", "plugin:node/recommended"],
+  "plugins": ["prettier"],
+  "globals": {
+    "Atomics": "readonly",
+    "SharedArrayBuffer": "readonly"
+  },
+  "parserOptions": {
+    "ecmaVersion": 2018
+  },
+  "rules": {
+    "prettier/prettier": "error",
+    "no-unused-vars": "warn",
+    "no-console": "off",
+    "func-names": "off",
+    "no-process-exit": "off",
+    "no-underscore-dangle": [
+      2,
+      {
+        "allow": ["__v", "_id"]
+      }
+    ],
+    "object-shorthand": "off",
+    "class-methods-use-this": "off"
+  }
+}

.prettierrc

@@ -0,0 +1,7 @@
+{
+  "printWidth": 100,
+  "tabWidth": 2,
+  "semi": true,
+  "singleQuote": true,
+  "trailingComma": "es5"
+}