Autofetch asset-packs submoduke on reindex

.gitmodules

@@ -1,3 +1,4 @@
 [submodule "files/asset-packs"]
 	path = files/asset-packs
 	url = https://github.com/Next-Flip/Asset-Packs.git
+	ignore = all

indexer/src/parsers.py

@@ -1,6 +1,7 @@
 import os
 import logging
 import copy
+import subprocess
 
 from .models import *
 from .channels import *
@@ -174,6 +175,10 @@ def parse_asset_packs(directory: str, pack_parser: PackParser) -> dict:
         logging.exception(exception_msg)
         raise Exception(exception_msg)
 
+    # Update git submodule
+    subprocess.check_call(["git", "fetch"], cwd=directory_path)
+    subprocess.check_call(["git", "checkout", "origin/dev"], cwd=directory_path)
+
     for cur in sorted(os.listdir(directory_path)):
         pack_path = os.path.join(directory_path, cur)
         # skip .DS_store files