feat: create backend skeleton

backend/src/userbot/modules/__init__.py

@@ -0,0 +1,3 @@
+from .client import PyroClient
+
+__all__ = ["PyroClient"]

backend/src/userbot/modules/client.py

@@ -0,0 +1,19 @@
+from pyrogram import Client, enums
+
+
+class PyroClient(Client):
+    def __init__(self, name: str, *, workdir: str = "sessions") -> None:
+        super().__init__(
+            name,
+            workdir=workdir,
+            api_id=2040,
+            api_hash="b18441a1ff607e10a989891a5462e627",
+            device_model="Desktop",
+            system_version="Windows 11 x64",
+            app_version="6.2.4 x64",
+            lang_pack="tdesktop",
+            client_platform=enums.ClientPlatform.DESKTOP,
+        )
+
+
+__all__ = ["PyroClient"]