Pull character add char code to input handler

src/Interfaces.ts

@@ -37,6 +37,8 @@ export interface ITerminal {
  * Handles actions generated by the parser.
  */
 export interface IInputHandler {
+  addChar(char: string, code: number): void;
+
   /** C0 BEL */ bell(): void;
   /** C0 LF */ lineFeed(): void;
   /** C0 CR */ carriageReturn(): void;