new bot structure

app/bot/dialogs/flows/user/start/dialogs.py

@@ -0,0 +1,14 @@
+from aiogram_dialog import Dialog, Window
+from aiogram_dialog.widgets.text import Format
+
+from app.bot.dialogs.widgets.getters import username_getter
+
+from .states import StartSG
+
+start_dialog = Dialog(
+    Window(
+        Format("Hello, {username}"),
+        getter=username_getter,
+        state=StartSG.start,
+    )
+)