input: refactor, move dsl stuff to tek config

input/README.md

@@ -1,16 +1,6 @@
-# `tengri_engine`
+***tengri_input*** is where tengri's input handling is defined.
 
-## rendering
-
-## input handling
-
-the **input thread** polls for keyboard events
-and passes them onto the application's `Handle::handle` method.
-
-thus, for a type to be a valid application for engine `E`,
-it must implement the trait `Handle<E>`, which allows it
-to respond to user input.
-
-this thread has write access to the application state,
-and is responsible for mutating it in response to
-user activity.
+the following items are provided:
+* `Input` trait, for defining for input sources
+* `Handle` trait and `handle!` macro, for defining input handlers
+* `Command` trait and the `command!` macro, for defining commands that inputs may result in