chore: lint commit messages

.github/workflows/linting.yaml

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+name: "Linting"
+on: [push, pull_request]
+jobs:
+  check-commit-message:
+    name: Ensure messages conform to Conventional Commits standard
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Use Node.js 18.15
+        uses: actions/setup-node@v3
+        with:
+          node-version: '18.15'
+      - name: Install root dependencies
+        run: yarn install
+
+      - name: Validate current commit (last commit) with commitlint
+        if: github.event_name == 'push'
+        run: yarn lint:commit --from HEAD~1 --to HEAD --verbose
+
+      - name: Validate PR commits with commitlint
+        if: github.event_name == 'pull_request'
+        run: yarn lint:commit --from ${{ github.event.pull_request.head.sha }}~${{ github.event.pull_request.commits }} --to ${{ github.event.pull_request.head.sha }} --verbose
+
+  stylua:
+    name: Check codestyle
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+      - uses: JohnnyMorganz/stylua-action@v3
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          args: --color always --check .
+          version: v0.15.1

.gitignore

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+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions
+node_modules/
+.tests/

commitlint.config.js

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+module.exports = { extends: ["@commitlint/config-conventional"] };

package.json

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+{
+  "name": "mdx.nvim",
+  "private": true,
+  "packageManager": "[email protected]",
+  "devDependencies": {
+    "@commitlint/config-conventional": "^17.6.1",
+    "commitlint": "latest",
+    "conventional-changelog-conventionalcommits": "^5.0.0",
+    "cspell": "^6.31.1",
+    "husky": "^8.0.3"
+  },
+  "scripts": {
+    "prepare": "husky install",
+    "lint:commit": "commitlint --config commitlint.config.js"
+  }
+}