Use Prettier JS (#5017)

* Adds prettier

* Run lint before tests

src/Adapters/Auth/github.js

@@ -4,15 +4,15 @@ const httpsRequest = require('./httpsRequest');
 
 // Returns a promise that fulfills iff this user id is valid.
 function validateAuthData(authData) {
-  return request('user', authData.access_token)
-    .then((data) => {
-      if (data && data.id == authData.id) {
-        return;
-      }
-      throw new Parse.Error(
-        Parse.Error.OBJECT_NOT_FOUND,
-        'Github auth is invalid for this user.');
-    });
+  return request('user', authData.access_token).then(data => {
+    if (data && data.id == authData.id) {
+      return;
+    }
+    throw new Parse.Error(
+      Parse.Error.OBJECT_NOT_FOUND,
+      'Github auth is invalid for this user.'
+    );
+  });
 }
 
 // Returns a promise that fulfills iff this app id is valid.
@@ -26,13 +26,13 @@ function request(path, access_token) {
     host: 'api.github.com',
     path: '/' + path,
     headers: {
-      'Authorization': 'bearer ' + access_token,
-      'User-Agent': 'parse-server'
-    }
+      Authorization: 'bearer ' + access_token,
+      'User-Agent': 'parse-server',
+    },
   });
 }
 
 module.exports = {
   validateAppId: validateAppId,
-  validateAuthData: validateAuthData
+  validateAuthData: validateAuthData,
 };