chore: add link checker github workflow

Signed-off-by: Devin Buhl <devin@buhl.casa>

.github/workflows/link-checker.yaml

@@ -0,0 +1,39 @@
+---
+name: "Link Checker"
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 0 * * *"
+
+jobs:
+  link-checker:
+    name: Link Checker
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b # v3.2.0
+
+      - name: Link Checker
+        uses: lycheeverse/lychee-action@4dcb8bee2a0a4531cba1a1f392c54e8375d6dd81 # renovate: tag=v1.5.4
+        id: lychee
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+
+      - name: Find Link Checker Issue
+        id: link-checker-issue
+        uses: micalevisk/last-issue-action@044e1cb7e9a4dde20e22969cb67818bfca0797be # renovate: tag=2.0.0
+        with:
+          state: open
+          labels: |
+            link-checker
+
+      - name: Update Issue
+        uses: peter-evans/create-issue-from-file@433e51abf769039ee20ba1293a088ca19d573b7f # renovate: tag=v4.0.1
+        with:
+          title: Broken links detected in docs 🔗
+          issue-number: "${{ steps.link-checker-issue.outputs.issue-number }}"
+          content-filepath: ./lychee/out.md
+          token: "${{ secrets.GITHUB_TOKEN }}"
+          labels: |
+            link-checker