ci: added sample travis yml config (jamis#38)

mberlanda · jamis · commit 3ddbaee91f41 · 2018-08-17T21:37:16.000-06:00
diff --git a/.travis.yml b/.travis.yml
@@ -0,0 +1,8 @@
+language: ruby
+rvm:
+  - 2.2
+  - 2.3
+  - 2.4
+  - 2.5
+  - latest
+script: bundle exec rake
