Adds support for running CI on github actions. (#132)

.github/main.yml

@@ -0,0 +1,25 @@
+name: CI
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Setup Go for use with actions
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.16
+    - name: Install goimports
+      run: go get golang.org/x/tools/cmd/goimports
+    - name: Set env with list of directories in repo containin go code
+      run: echo GO_USR_DIRS=$(go list -f {{.Dir}} ./... | grep -E -v "/gen-go/|/vendor/") >> $GITHUB_ENV
+    - name: Run goimports check
+      run: test -z "`for d in $GO_USR_DIRS; do goimports -d $d/*.go | tee /dev/stderr; done`"
+    - name: Create aurora/mesos docker cluster
+      run: docker-compose up -d
+    - name: Run tests
+      run: go test -timeout 35m -race -coverprofile=coverage.txt -covermode=atomic -v github.com/paypal/gorealis