docs(addons): fix comment typos in unicode-graphemes and web-links

Correct grapheme/handling spelling in UnicodeGraphemesAddon header and
everything/addresses typos in WebLinksAddon URL matcher comments.

Co-authored-by: Cursor <cursoragent@cursor.com>

addons/addon-unicode-graphemes/src/UnicodeGraphemesAddon.ts

@@ -2,7 +2,7 @@
  * Copyright (c) 2023 The xterm.js authors. All rights reserved.
  * @license MIT
  *
- * UnicodeVersionProvider for V15 with grapeme cluster handleing.
+ * UnicodeVersionProvider for V15 with grapheme cluster handling.
  */
 
 import type { Terminal, ITerminalAddon, IUnicodeHandling } from '@xterm/xterm';

addons/addon-web-links/src/WebLinksAddon.ts

@@ -7,13 +7,13 @@ import type { Terminal, ITerminalAddon, IDisposable } from '@xterm/xterm';
 import type { WebLinksAddon as IWebLinksApi } from '@xterm/addon-web-links';
 import { ILinkProviderOptions, WebLinkProvider } from './WebLinkProvider';
 
-// consider everthing starting with http:// or https://
+// consider everything starting with http:// or https://
 // up to first whitespace, `"` or `'` as url
 // NOTE: The repeated end clause is needed to not match a dangling `:`
 // resembling the old (...)*([^:"\'\\s]) final path clause
 // additionally exclude early + final:
 // - unsafe from rfc3986: !*'()
-// - unsafe chars from rfc1738: {}|\^~[]` (minus [] as we need them for ipv6 adresses, also allow ~)
+// - unsafe chars from rfc1738: {}|\^~[]` (minus [] as we need them for ipv6 addresses, also allow ~)
 // also exclude as finals:
 // - final interpunction like ,.!?
 // - any sort of brackets <>()[]{} (not spec conform, but often used to enclose urls)