Add CI Unit Test (#377)

* oke-contributing guideline

* Add unit test git action

Author: mrunalpagnis

.github/workflows/makefile.yml

@@ -0,0 +1,29 @@
+name: Unit Tests
+
+on:
+  pull_request: {}
+  push: {}
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+
+      - name: Set up Go 1.x
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.15
+        id: go
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v2
+
+      - name: Run Unit Tests
+        run: |
+          go test -covermode=count -coverprofile=profile.cov ./pkg/...
+      - name: Send coverage
+        env:
+          COVERALLS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          GO111MODULE=off go get github.com/mattn/goveralls
+          $(go env GOPATH)/bin/goveralls -coverprofile=profile.cov -service=github