Add workflow.

.github/workflows/doc-gen.yml

@@ -0,0 +1,29 @@
+# docs: https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions
+
+name: Build and Test
+
+on:
+  workflow_dispatch:
+  pull_request:
+
+jobs:
+  build_and_test:
+    runs-on: ubuntu-22.04
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install peakrd-uvm
+        run: |
+          python3 -m pip install \
+              peakrdl-uvm==2.2.0 \
+              peakrdl-regblock==0.10.0 \
+              peakrdl-html==2.9.0 \
+              peakrdl-ipxact==3.3.0
+
+      - name: Generate docs
+        run: |
+          find
+          echo ############# Running script
+          tools/scripts/reg_doc_gen.sh
+          find