Basic CI for lint and test

.github/workflows/workflow.yaml

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+name: test
+on:
+  push:
+    paths-ignore:
+      - "**.md"
+  pull_request:
+    paths-ignore:
+      - "**.md"
+
+jobs:
+  lint:
+    name: "Lint"
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v2
+
+      - name: Install golangci-lint
+        run: |
+          mkdir -p $GITHUB_WORKSPACE/bin
+          echo "$GITHUB_WORKSPACE/bin" >> $GITHUB_PATH
+          curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $GITHUB_WORKSPACE/bin v${GOLANGCILINT_VERSION}
+        env:
+          GOLANGCILINT_VERSION: 1.35.2
+
+      - name: Make lint
+        run: |
+          make lint
+
+  test:
+    name: "Unit test"
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - name: Set up Go 1.15
+        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: Install kubebuilder
+        run: |
+          curl -L -O "https://github.com/kubernetes-sigs/kubebuilder/releases/download/v${KUBEBUILDER_VERSION}/kubebuilder_${KUBEBUILDER_VERSION}_linux_amd64.tar.gz" &&\
+          tar -zxvf kubebuilder_${KUBEBUILDER_VERSION}_linux_amd64.tar.gz &&\
+          sudo mv kubebuilder_${KUBEBUILDER_VERSION}_linux_amd64 /usr/local/kubebuilder
+        env:
+          KUBEBUILDER_VERSION: 2.3.1
+
+      - name: Unit test
+        run: make test
+
+      - name: Codecov Upload
+        uses: codecov/codecov-action@v1
+        with:
+          flags: unittests
+          file: ./cover.out
+          fail_ci_if_error: false

Makefile

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+all: lint test
+
+lint:
+	golangci-lint -v run ./... --timeout 5m
+
+test:
+	go test ./... -coverprofile cover.out