refactor: assembling the app features in modular way (#9129)

Signed-off-by: -LAN- <laipz8200@outlook.com>
Co-authored-by: -LAN- <laipz8200@outlook.com>

api/extensions/ext_timezone.py

@@ -0,0 +1,11 @@
+import os
+import time
+
+from dify_app import DifyApp
+
+
+def init_app(app: DifyApp):
+    os.environ["TZ"] = "UTC"
+    # windows platform not support tzset
+    if hasattr(time, "tzset"):
+        time.tzset()