add linter and tester for CI

.github/workflows/ci.yml

@@ -0,0 +1,47 @@
+name: CI
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the master branch
+on:
+  push:
+    branches:
+      - main
+      - "feature/**"
+  pull_request:
+    branches:
+      - main
+      - "feature/**"
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-go@v4
+        with:
+          go-version: "1.20"
+      - name: Run tests
+        run: |
+          make tidy
+          make test
+      - name: Upload coverage report
+        uses: codecov/codecov-action@v1
+        with:
+          file: ./coverage.txt
+          flags: unittests
+
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v4
+        with:
+          go-version: "1.20"
+      - uses: golangci/golangci-lint-action@v3.7.0
+        with:
+          version: v1.52.2
+          only-new-issues: true
+          skip-pkg-cache: true
+          args: --timeout=3m