chore(ci): Add GitHub Actions workflow for build & test automation

.github/workflows/go.yml

@@ -0,0 +1,43 @@
+# GitHub Actions workflow for go-tetris
+name: Go
+
+on:
+  push:
+    branches:
+      - "master"
+      - "feature/**"
+      - "fix/**"
+  pull_request:
+    branches:
+      - "master"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: '1.24.1' # Updated to Go 1.24.1
+
+      - name: Verify go.mod and go.sum
+        run: go mod tidy && git diff --exit-code go.mod go.sum
+
+      - name: Run Linter
+        uses: golangci/golangci-lint-action@v3
+        with:
+          version: latest
+
+      - name: Build
+        run: go build -v ./...    
+
+  deploy:
+    if: github.ref == 'refs/heads/master'
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to Production
+        run: echo "Deploying application..."