chore: add github workflows for linkcheck

Author: redteampanda-ng

.github/workflows/pre-checks.yml

@@ -0,0 +1,25 @@
+# This workflow will install Python dependencies and check for broken links
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
+
+name: Manual Pre Checks
+
+on:
+  push:
+    branches:
+      - "*"
+  pull_request:
+    branches:
+      - main
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  linkcheck:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: link-check
+      run: |
+        pip install -r requirements.txt
+        make linkcheck
+