feat/fix: Update GitHub Actions workflow file for

golang/go-guestbook/.github/workflows/ci.yml

@@ -0,0 +1,35 @@
+name: Continuous Integration
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Setup Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: '1.16'
+
+      - name: Build application
+        run: go build ./...
+
+      - name: Run tests
+        run: go test ./...
+
+      - name: Publish artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: go-guestbook-artifacts
+          path: |
+            go-guestbook/bin/