Update link checking action

.github/workflows/linkchecker.yml

@@ -0,0 +1,27 @@
+name: Link Checker
+
+on:
+  repository_dispatch:
+  workflow_dispatch:
+  schedule:
+    - cron: "00 18 * * *"
+
+jobs:
+  linkChecker:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Link Checker
+        uses: lycheeverse/[email protected]
+        with:
+          args: --verbose --no-progress **/*.md
+        env:
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+
+      - name: Create Issue From File
+        uses: peter-evans/create-issue-from-file@v3
+        with:
+          title: Link Checker Report
+          content-filepath: ./lychee/out.md
+          labels: report, automated issue