Making sure deployments only happen from master

ZeeCoder · ZeeCoder · commit 0a50ef0529a9 · 2018-12-20T16:25:53.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -16,3 +16,4 @@ deploy:
     tags: true
     repo: ZeeCoder/use-resize-observer
   skip_cleanup: true
+  branch: master
