Added eslint for lint rules

.eslintrc

@@ -0,0 +1,23 @@
+{
+	"env": {
+		"node": true,
+		"mocha": true
+	},
+	"rules": {
+		"global-strict": [2, "always"],
+		"no-mixed-requires": false,
+		"no-multi-spaces": false,
+		"space-infix-ops": true,
+		"quotes": [1, "single"],
+		"vars-on-top": [1, true],
+		"one-var": [1, true],
+		"no-shadow": false,
+		"eol-last": false,
+		"key-spacing": false,
+		"no-mixed-spaces-and-tabs": [2, "smart-tabs"],
+		"space-unary-ops": [1, { "words": true, "nonwords": true }],
+		"no-underscore-dangle": false,
+		"camelcase": false,
+		"no-process-exit": false
+	}
+}