setup github actions (#42)

* setup github actions

* gotta use CI

* update readme

* remove travis

* cancel redudant builds for PRs

* goo

* foo

* foo again

* fix readme

Author: samandmoore

.github/workflows/main.yml

@@ -0,0 +1,37 @@
+name: Main
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-16.04
+    strategy:
+      matrix:
+        ruby:
+          - '2.5'
+          - '2.6'
+        gemfile:
+          - gemfiles/rails_5_0.gemfile
+          - gemfiles/rails_5_1.gemfile
+          - gemfiles/rails_5_2.gemfile
+          - gemfiles/rails_6_0.gemfile
+          - gemfiles/ruby.gemfile
+    name: Ruby ${{ matrix.ruby }}, ${{ matrix.gemfile }}
+    steps:
+      - uses: technote-space/auto-cancel-redundant-job@v1
+        if: github.event_name == 'pull_request'
+      - uses: actions/checkout@v2
+      - uses: actions/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+      - name: Build and test with Rake
+        env:
+          BUNDLE_GEMFILE: ${{ matrix.gemfile }}
+        run: |
+          gem install bundler
+          bundle install --jobs 4 --retry 3
+          bundle exec rake

.travis.yml

@@ -1,7 +1,7 @@
 WebValve
 ========
 
-[![Build Status](https://travis-ci.org/Betterment/webvalve.svg?branch=master)](https://travis-ci.org/Betterment/webvalve)
+![Build Status](https://github.com/actions/workflows/Main/badge.svg?branch=master)
 [![Gem Status](https://img.shields.io/gem/v/webvalve.svg)](https://rubygems.org/gems/webvalve)
 
 WebValve is a tool for defining and registering fake implementations of

README.md

@@ -7,7 +7,7 @@ end
 Bundler::GemHelper.install_tasks
 
 task(:default).clear
-if ENV['APPRAISAL_INITIALIZED'] || ENV['TRAVIS']
+if ENV['APPRAISAL_INITIALIZED'] || ENV['CI']
   require 'rspec/core'
   require 'rspec/core/rake_task'
   RSpec::Core::RakeTask.new(:spec)