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_commands.py

@@ -0,0 +1,29 @@
+from dify_app import DifyApp
+
+
+def init_app(app: DifyApp):
+    from commands import (
+        add_qdrant_doc_id_index,
+        convert_to_agent_apps,
+        create_tenant,
+        fix_app_site_missing,
+        reset_email,
+        reset_encrypt_key_pair,
+        reset_password,
+        upgrade_db,
+        vdb_migrate,
+    )
+
+    cmds_to_register = [
+        reset_password,
+        reset_email,
+        reset_encrypt_key_pair,
+        vdb_migrate,
+        convert_to_agent_apps,
+        add_qdrant_doc_id_index,
+        create_tenant,
+        upgrade_db,
+        fix_app_site_missing,
+    ]
+    for cmd in cmds_to_register:
+        app.cli.add_command(cmd)