Chore: Implement cSpell to detect spelling mistakes in codebase (#10001)

Co-authored-by: Helmut K. C. Tessarek <tessarek@evermeet.cx>
Co-authored-by: Henry Heino <46334387+personalizedrefrigerator@users.noreply.github.com>

packages/fork-htmlparser2/src/index.ts

@@ -40,6 +40,8 @@ export { default as Tokenizer } from "./Tokenizer";
 import * as ElementType from "domelementtype";
 export { ElementType };
 
+// cSpell:disable
+
 /**
  * List of all events that the parser emits.
  *
@@ -60,6 +62,8 @@ export const EVENTS = {
     end: 0
 };
 
+// cSpell:enable
+
 /*
     All of the following exports exist for backwards-compatibility.
     They should probably be removed eventually.