Add github action for docs

Author: martinhny

.github/workflows/api-docs.yaml

@@ -0,0 +1,43 @@
+name: write api-docs to skip.kartverket.no
+
+on:
+  push:
+
+jobs:
+  run-crdoc:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          path: skiperator
+
+      - name: Run crdoc Docker container
+        run: |
+          sudo docker run -u $(id -u):$(id -g) --rm -v $PWD:/workdir ghcr.io/fybrik/crdoc:latest --resources /workdir/skiperator/config/crd --output /workdir/api-docs.md
+
+      - name: Checkout target repository
+        uses: actions/checkout@v4
+        with:
+          path: docs
+          repository: kartverket/skip.kartverket.no
+          ref: test
+          ssh-key: ${{ secrets.SKIPDOCS_DEPLOY_KEY }}
+      # Step 4: Copy output.md from the source repo to the target repo
+      - name: Copy generated output to target repo
+        run: |
+          ls ../
+          pwd
+          cp api-docs.md /docs/docs/13-skiperator/04-api-docs.md  # Update path as needed
+
+      # Step 5: Push the changes to the target branch
+      - name: Commit and push changes
+        run: |
+          git config --global user.email "[email protected]"
+          git config --global user.name "GithubActions"
+          git add .
+          git commit -m "Update output.md"
+          git push origin test