🎨 Isolate infra and ui components

The src/base.rs is still to be reworked.

src/ui/components/mod.rs

@@ -0,0 +1,13 @@
+pub(crate) mod avatar_selector;
+pub(crate) mod button;
+pub(crate) mod chats_window;
+pub(crate) mod contacts_window;
+pub(crate) mod header;
+pub(crate) mod icons;
+pub(crate) mod loading;
+pub(crate) mod login;
+pub(crate) mod main_window;
+pub(crate) mod modal;
+pub(crate) mod spinner;
+pub(crate) mod text_input;
+pub(crate) mod wallpaper;