👷 add build_documentation workflow

Author: nateraw

.github/workflows/build_documentation.yml

@@ -0,0 +1,21 @@
+name: Build documentation
+
+on:
+  push:
+    branches:
+      - master
+      - doc-builder*
+      - v*-release
+
+jobs:
+   build:
+    uses: huggingface/doc-builder/.github/workflows/build_main_documentation.yml@main
+    with:
+      commit_sha: ${{ github.sha }}
+      package: pytorch-image-models
+      package_name: timm
+      repo_owner: rwightman
+      path_to_docs: pytorch-image-models/hfdocs/source
+      additional_args: --not_python_module
+    secrets:
+      token: ${{ secrets.HUGGINGFACE_PUSH }}