create event

app/bot/dialogs/flows/new_event/states.py

@@ -0,0 +1,9 @@
+from aiogram.fsm.state import State, StatesGroup
+
+
+class NewEventSG(StatesGroup):
+    input_title = State()
+    input_description = State()
+    input_start_date = State()
+    input_end_date = State()
+    confirm_creation = State()