adding ci features & auto-release with goreleaser

.github/workflows/ci.yml

@@ -0,0 +1,19 @@
+name: ci
+on:
+  push:
+  pull_request:
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@master
+    - name: Setup Go
+      uses: actions/setup-go@v1
+      with:
+        go-version: '1.21'
+    - name: GoReleaser
+      uses: goreleaser/goreleaser-action@v1
+      with:
+        version: latest
+        args: release --snapshot --rm-dist

.github/workflows/release.yml

@@ -0,0 +1,24 @@
+name: release
+on:
+  push:
+    tags:
+    - 'v*.*.*'
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@master
+    - name: Setup Go
+      uses: actions/setup-go@v1
+      with:
+        go-version: '1.21'
+    - name: GoReleaser
+      uses: goreleaser/goreleaser-action@v1
+      with:
+        version: latest
+        args: release --rm-dist
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    - name: Update new version in krew-index
+      uses: rajatjindal/krew-release-bot@v0.0.25