Merge pull request #4 from szepeviktor/patch-1

Add Markdown link checker

.github/workflows/markdown.yml

@@ -0,0 +1,38 @@
+# yaml-language-server: $schema=https://json.schemastore.org/github-workflow
+
+name: Markdown
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - '.github/workflows/markdown.yml'
+      - '**.md'
+  pull_request:
+    branches:
+      - main
+    paths:
+      - '.github/workflows/markdown.yml'
+      - '**.md'
+    types:
+      - opened
+      - reopened
+      - synchronize
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+
+jobs:
+  links:
+    name: Links
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: lycheeverse/lychee-action@v1
+        with:
+          output: '${{ runner.temp }}/lychee/out.md'
+          fail: true