ci: add mdformat check to linting workflow

Author: TrentHouliston

.github/workflows/linting.yaml

@@ -97,3 +97,20 @@ jobs:
 
       - name: CTCache Stats
         run: clang-tidy-cache --show-stats
+
+  markdown-format:
+    name: Markdown Formatting
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v4
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
+
+      - name: Install dependencies
+        run: uv sync --group dev
+
+      - name: Check markdown formatting
+        run: uv run mdformat --check docs/