event_loop: Separate and use for physical keyboard presence

Extra included: Change of naked Submission pointers to Wrapped.

src/lib.rs

@@ -22,6 +22,7 @@ mod action;
 mod animation;
 pub mod data;
 mod drawing;
+mod event_loop;
 pub mod float_ord;
 pub mod imservice;
 mod keyboard;
@@ -32,6 +33,7 @@ mod manager;
 mod outputs;
 mod popover;
 mod resources;
+mod state;
 mod style;
 mod submission;
 pub mod tests;