chore: adding CI

.github/workflows/main.yaml

@@ -0,0 +1,59 @@
+# This is a basic workflow to help you get started with Actions
+name: CI
+
+permissions:
+  contents: read
+
+# Controls when the workflow will run
+on:
+  # Triggers the workflow on push or pull request events but only for the "main" branch
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - name: 📥 Check out the code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+
+      - name: 💿 Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: 1.21
+          cache: false
+
+      - name: 🕵 Lint the code
+        uses: golangci/golangci-lint-action@v3
+        with:
+          version: v1.54
+          args: --timeout=3m --out-format=colored-line-number
+
+      - name: 🏭 Install dependencies
+        run: go mod vendor
+
+      - name: 🔬 Run unit tests
+        run: make test
+
+      - name: 📊 Upload coverage to Codecov
+        uses: codecov/[email protected]
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          slug: sumelms/microservice-activity
+          fail_ci_if_error: true
+
+      - name: 🧰 Build
+        run: make build