Text input (#143)

* update: iced 0.10.0

* wip: text input

* wip: text inputs with icons and buttons

* wip: improve text input

* refactor: text input styling

* chore: add scale factor

* chore(text_input): add winit example and do some cleanup

src/widget/text_input/mod.rs

@@ -0,0 +1,10 @@
+//! A text input widget from iced widgets plus some added details.
+
+pub mod cursor;
+pub mod editor;
+mod input;
+mod style;
+pub mod value;
+
+pub use input::*;
+pub use style::{Appearance as TextInputAppearance, StyleSheet as TextInputStyleSheet};