feat: improve CI and README badges (#33)

Author: Copilot

.github/workflows/ci.yml

@@ -0,0 +1,72 @@
+name: Go
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    strategy:
+      fail-fast: false
+      matrix:
+        go-version: [ '1.23' ]
+
+    services:
+      etcd:
+        image: quay.io/coreos/etcd
+        ports:
+          - 2379:2379
+          - 2380:2380
+        env:
+          ETCD_LISTEN_CLIENT_URLS: http://0.0.0.0:2379
+          ETCD_ADVERTISE_CLIENT_URLS: http://0.0.0.0:2379
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: ${{ matrix.go-version }}
+
+      - name: Test
+        run: go test -covermode atomic -coverprofile=covprofile ./...
+
+      - name: Install goveralls
+        env:
+          GO111MODULE: off
+        run: go get github.com/mattn/goveralls
+
+      - name: Send coverage
+        env:
+          COVERALLS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: goveralls -coverprofile=covprofile -service=github
+
+  semantic-release:
+    needs: [test]
+    if: github.repository == 'casbin/etcd-watcher' && github.event_name == 'push'
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Install Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '18.x'
+
+      - name: Install semantic-release
+        run: npm install --save-dev semantic-release@21.0.0 @semantic-release/commit-analyzer @semantic-release/release-notes-generator @semantic-release/github
+
+      - name: Run semantic-release
+        run: npx semantic-release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/test.yml

@@ -1,6 +1,14 @@
-Etcd Watcher [![Go](https://github.com/casbin/etcd-watcher/actions/workflows/test.yml/badge.svg)](https://github.com/casbin/etcd-watcher/actions/workflows/test.yml) [![Coverage Status](https://coveralls.io/repos/github/casbin/etcd-watcher/badge.svg?branch=master)](https://coveralls.io/github/casbin/etcd-watcher?branch=master) [![Godoc](https://godoc.org/github.com/casbin/etcd-watcher?status.svg)](https://godoc.org/github.com/casbin/etcd-watcher)
+Etcd Watcher
 ====
 
+[![Go Report Card](https://goreportcard.com/badge/github.com/casbin/etcd-watcher)](https://goreportcard.com/report/github.com/casbin/etcd-watcher)
+[![Go](https://github.com/casbin/etcd-watcher/actions/workflows/ci.yml/badge.svg)](https://github.com/casbin/etcd-watcher/actions/workflows/ci.yml)
+[![Coverage Status](https://coveralls.io/repos/github/casbin/etcd-watcher/badge.svg?branch=master)](https://coveralls.io/github/casbin/etcd-watcher?branch=master)
+[![Go Reference](https://pkg.go.dev/badge/github.com/casbin/etcd-watcher/v2.svg)](https://pkg.go.dev/github.com/casbin/etcd-watcher/v2)
+[![Release](https://img.shields.io/github/release/casbin/etcd-watcher.svg)](https://github.com/casbin/etcd-watcher/releases/latest)
+[![Discord](https://img.shields.io/discord/1022748306096537660?logo=discord&label=discord&color=5865F2)](https://discord.gg/S5UjpzGZjN)
+[![Sourcegraph](https://sourcegraph.com/github.com/casbin/etcd-watcher/-/badge.svg)](https://sourcegraph.com/github.com/casbin/etcd-watcher?badge)
+
 Etcd Watcher is the [Etcd](https://github.com/coreos/etcd) watcher for [Casbin](https://github.com/casbin/casbin). With this library, Casbin can synchronize the policy with the database in multiple enforcer instances.
 
 ## Installation