fix: Only publish website on master

Author: rtfpessoa

.circleci/config.yml

@@ -207,3 +207,7 @@ workflows:
       - publish_website:
           requires:
             - publish_approval
+          filters:
+            branches:
+              only:
+                - master

package.json

@@ -26,7 +26,7 @@
   },
   "repository": {
     "type": "git",
-    "url": "https://www.github.com/rtfpessoa/diff2html.git"
+    "url": "git://github.com/rtfpessoa/diff2html.git"
   },
   "bugs": {
     "url": "https://www.github.com/rtfpessoa/diff2html/issues"