Adds liniting into the workflow (#3082)

* initial linting of src

* fix indent to 2 spaces

* Removes unnecessary rules

* ignore spec folder for now

* Spec linting

* Fix spec indent

* nits

* nits

* no no-empty rule

src/LiveQuery/RequestSchema.js

@@ -61,7 +61,7 @@ let subscribe = {
         'fields': {
           "type": "array",
           "items": {
-              "type": "string"
+            "type": "string"
           },
           "minItems": 1,
           "uniqueItems": true
@@ -99,7 +99,7 @@ let update = {
         'fields': {
           "type": "array",
           "items": {
-              "type": "string"
+            "type": "string"
           },
           "minItems": 1,
           "uniqueItems": true