Basic link support using mouse zone manager

src/Types.ts

@@ -6,12 +6,13 @@ export type LinkMatcher = {
   id: number,
   regex: RegExp,
   handler: LinkMatcherHandler,
+  hoverCallback?: LinkMatcherHandler,
   matchIndex?: number,
   validationCallback?: LinkMatcherValidationCallback,
   priority?: number
 };
 export type LinkMatcherHandler = (event: MouseEvent, uri: string) => boolean | void;
-export type LinkMatcherValidationCallback = (uri: string, element: HTMLElement, callback: (isValid: boolean) => void) => void;
+export type LinkMatcherValidationCallback = (uri: string, callback: (isValid: boolean) => void) => void;
 
 export type CustomKeyEventHandler = (event: KeyboardEvent) => boolean;
 export type Charset = {[key: string]: string};