input: dispatch editing keys through actions

crates/core/src/lib.rs

@@ -1,4 +1,8 @@
 //! The components every application needs, one cargo feature each.
+//!
+//! Call [`init`] once at startup, before opening windows.
+
+use gpui::App;
 
 pub mod common;
 
@@ -31,3 +35,10 @@ pub mod avatar;
 
 #[cfg(feature = "input")]
 pub mod input;
+
+/// Initializes everything the components need at startup.
+pub fn init(cx: &mut App) {
+    gpui_native_theme::Theme::init(cx);
+    #[cfg(feature = "input")]
+    input::bind_input_keys(cx, None);
+}