Add missing space (#103)

Co-authored-by: Jason Miller <[email protected]>

Author: jaylinski

src/index.ts

@@ -3,7 +3,7 @@ export type EventType = string | symbol;
 // An event handler can take an optional event argument
 // and should not return a value
 export type Handler = (event?: any) => void;
-export type WildcardHandler= (type: EventType, event?: any) => void
+export type WildcardHandler = (type: EventType, event?: any) => void
 
 // An array of all currently registered event handlers for a type
 export type EventHandlerList = Array<Handler>;