Added CI github action for test, build and release

.github/workflows/ci.yml

@@ -0,0 +1,61 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Go
+      uses: actions/setup-go@v3
+      with:
+        go-version: 1.18
+
+    - name: Run tests
+      run: go test -cover -v .
+
+
+  build:
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Go
+      uses: actions/setup-go@v3
+      with:
+        go-version: 1.18
+
+    - name: Build
+      run: go build -v .
+
+    - name: Upload binary to artifacts
+      uses: actions/upload-artifact@v3
+      with:
+        name: gordle-bin
+        path: ./gordle
+
+  release:
+    if: startsWith(github.ref, 'refs/tags/')
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Download binary from artifacts
+      uses: actions/download-artifact@v3
+      with:
+        name: gordle-bin
+
+    - name: Release
+      uses: softprops/action-gh-release@v1
+      if: startsWith(github.ref, 'refs/tags/')
+      with:
+        files: gordle
+        generate_release_notes: true
+