Start of generating json manifest of macros in userPrefs.h (#4946)

* Start of generating json manifest for userPrefs.h

* Just trunk this for now

* Add automatic generation of json manifest in GH action

* Trunk

.github/workflows/generate-userprefs.yml

@@ -0,0 +1,33 @@
+on:
+  push:
+    paths:
+      - userPrefs.h
+    branches:
+      - master
+
+jobs:
+  generate-userprefs:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install Clang
+        run: sudo apt-get install -y clang
+
+      - name: Install trunk
+        run: curl https://get.trunk.io -fsSL | bash
+
+      - name: Generate userPrefs.jsom
+        run: python3 ./bin/build-userprefs-json.py
+
+      - name: Trunk format json
+        run: trunk format userPrefs.json
+
+      - name: Commit userPrefs.json
+        run: |
+          git config --global user.email "actions@github.com"
+          git config --global user.name "GitHub Actions"
+          git add userPrefs.json
+          git commit -m "Update userPrefs.json"
+          git push