include _static dir in build

Author: jeffjennings

deployment/installtutorials.py

@@ -65,6 +65,11 @@ def process_repo(repo, destination_directory):
                 f"{repo}/{tname}.html",
                 destination_directory,
             )
+            shutil.copytree(
+                f"{repo}/_static",
+                f"{destination_directory}/_static",
+                dirs_exist_ok=True,
+            )
         if len(tutorials) > 1:
             index_files = glob.glob(f"{repo}/index-*.html")
             if index_files: