Add Travis CI configuration

Envek · Envek · commit a58c317b7592 · 2018-09-20T21:53:06.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -0,0 +1,9 @@
+---
+sudo: false
+language: ruby
+cache: bundler
+rvm:
+  - 2.5.1
+  - 2.4.4
+  - 2.3.7
+before_install: gem install bundler -v 1.16.5
