Enable bundler caching for travis (#488)

Taher-Ghaleb · web-flow · commit 4a9c9bcc7dee · 2021-05-03T15:33:00.000-06:00
diff --git a/.travis.yml b/.travis.yml
@@ -10,6 +10,8 @@ env:
     - RAILS_VERSION="~> 5.2"
     - RAILS_VERSION="~> 6.0.0"
 
+cache: bundler
+
 before_install:
   - gem update --system
   - gem update bundler
