add doc cache

Author: Samoed

.github/workflows/build-docs.yaml

@@ -36,6 +36,13 @@ jobs:
         with:
           python-version: "3.10"
 
+      - name: Cache Hugging Face
+        id: cache-hf
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache/huggingface
+          key: docs-cache-hf
+
       - name: Install pandoc
         run: |
           sudo apt install pandoc