Adding eslint cfg

.eslintrc

@@ -0,0 +1,21 @@
+{
+  "extends": "eslint-config-simplifield",
+  "env": {
+    "node": true,
+    "mocha": true
+  },
+  "globals": {
+    "require": false,
+    "describe": false,
+    "beforeEach": false,
+    "afterEach": false,
+    "before": false,
+    "after": false,
+    "it": false,
+    "sinon": false,
+    "module": false
+  },
+  "rules": {
+    "strict": [2, "global"]
+  }
+}