ADHOC: Update allowedHttpLinks.txt (#1204)

## Changes

<!-- Please summarize your changes. -->

<!-- Please link to any applicable information (forum posts, bug
reports, etc.). -->

## Checks

By submitting your pull request for review, you agree to the following:

- [ ] This contribution was created in whole or in part by me, and I
have the right to submit it under the terms of this repository's open
source licenses.
- [ ] I understand and agree that this contribution and a record of it
are public, maintained indefinitely, and may be redistributed under the
terms of this repository's open source licenses.
- [ ] To the best of my knowledge, all proposed changes are accurate.

Author: IgnisRBX

tools/checks/utils/allowedHttpLinks.txt

@@ -178,6 +178,7 @@ https://lordfairfax.augusoft.net.cfm/?method=ClassInfo.ClassInformation&int_
 https://luau.org/
 https://luau.org/syntax
 https://luau.org/lint
+https://luau.org/typecheck
 https://luau-lang.org/
 https://maker-state.com/product/creative-coding-with-minecraft-roblox/
 https://makersplacegh.com/online-sessions/coding-games-in-roblox/