Fix missing ignore type in config

From the docs I understand that this should be there. I assume it uses the same type as the `files` property, one or more globs.

types/index.d.ts

@@ -10,6 +10,7 @@ declare module 'replace-in-file' {
 
   export interface ReplaceInFileConfig {
     files: string | string[];
+    ignore: string | string[];
     from: string | RegExp | string[] | RegExp[] | FromCallback;
     to: string | string[] | ToCallback;
     countMatches?: boolean;