ci: Add quality check

Runs tests and linters after each commit.

.github/workflows/check.yaml

@@ -0,0 +1,47 @@
+name: Quality check
+on:
+  push:
+    branches:
+    - "*"
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  static-analysis:
+    name: Static analysis
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 'stable'
+
+      - run: go vet ./...
+
+      - name: staticcheck
+        uses: dominikh/staticcheck-action@v1.3.0
+        with:
+          install-go: false
+
+  tests:
+    name: Tests
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 'stable'
+
+      - run: go test ./...

README.ja.md

@@ -1,5 +1,6 @@
 # ![OpenGFW](docs/logo.png)
 
+[![Quality check status](https://github.com/apernet/OpenGFW/actions/workflows/check.yml/badge.svg)](https://github.com/apernet/OpenGFW/actions/workflows/check.yml)
 [![License][1]][2]
 
 [1]: https://img.shields.io/badge/License-MPL_2.0-brightgreen.svg

README.md

@@ -1,5 +1,6 @@
 # ![OpenGFW](docs/logo.png)
 
+[![Quality check status](https://github.com/apernet/OpenGFW/actions/workflows/check.yml/badge.svg)](https://github.com/apernet/OpenGFW/actions/workflows/check.yml)
 [![License][1]][2]
 
 [1]: https://img.shields.io/badge/License-MPL_2.0-brightgreen.svg

README.zh.md

@@ -1,5 +1,6 @@
 # ![OpenGFW](docs/logo.png)
 
+[![Quality check status](https://github.com/apernet/OpenGFW/actions/workflows/check.yml/badge.svg)](https://github.com/apernet/OpenGFW/actions/workflows/check.yml)
 [![License][1]][2]
 
 [1]: https://img.shields.io/badge/License-MPL_2.0-brightgreen.svg