add missing quotes to YAML keys.

Author: ePaul

versions/3.0.md

@@ -1765,7 +1765,7 @@ myWebhook:
             schema:
               $ref: '#/components/schemas/SomePayload'
       responses:
-        200:
+        '200':
           description: webhook successfully processed an no retries will be performed
 ```
 
@@ -1974,7 +1974,7 @@ paths:
       schema:
         type: string
     responses:
-      200:
+      '200':
         description: the user being returned
         content:
           application/json:
@@ -2048,7 +2048,7 @@ paths:
         schema:
           type: string
       responses: 
-        200: 
+        '200':
           description: The User
           content:
             application/json:
@@ -2067,7 +2067,7 @@ paths:
           schema:
             type: string
       responses:
-        200:
+        '200':
           description: repositories owned by the supplied user
           content: 
             application/json:
@@ -2094,7 +2094,7 @@ paths:
           schema:
             type: string
       responses: 
-        200:
+        '200':
           description: The repository
             content:
               application/json: 
@@ -2126,7 +2126,7 @@ paths:
             - merged
             - declined
       responses: 
-        200: 
+        '200':
           description: an array of pull request objects
           content:
             application/json: 
@@ -2154,7 +2154,7 @@ paths:
         schema:
           type: string
       responses: 
-        200: 
+        '200':
           description: a pull request object
           content:
             application/json: 
@@ -2182,7 +2182,7 @@ paths:
         schema:
           type: string
       responses: 
-        204:
+        '204':
           description: the PR was successfully merged
 components:
   links:
@@ -2402,7 +2402,7 @@ schemas:
           $ref: 'http://foo.bar#/examples/zip-example'
 # in a response, note the plural `examples`:
   responses:
-    200:
+    '200':
       description: your car appointment has been booked
       content: 
         application/json: