More notifications and move start code to another file

src/word.rs

@@ -1,15 +1,15 @@
 use crate::data_provider::words::{delete_word, update_word};
 use crate::lang::WordData;
 use crate::navigation::Page::PreviousPage;
-use crate::navigation::{NavigatedPage, Page};
+use crate::navigation::{NavigatedPage, Page, RootMessage};
 use crate::styling::*;
 use crate::word::WordMessage::*;
-use crate::{AppState, RootMessage};
 use iced::widget::button::danger;
 use iced::widget::{button, column, row, rule, scrollable, text, text_input};
 use iced::{Element, Fill, Task};
 use parking_lot::Mutex;
 use std::sync::Arc;
+use crate::app::AppState;
 
 #[derive(Clone)]
 pub struct WordState {