Update DevForum link to specific thread

Signed-off-by: Ryan Luu <ryan.luu@ryanluu.dev>

Author: ryanlua

mkdocs.yml

@@ -42,7 +42,7 @@ extra:
       link: https://create.roblox.com/store/asset/112061170330936
       name: Creator Store
     - icon: simple/robloxstudio
-      link: https://devforum.roblox.com/t/
+      link: https://devforum.roblox.com/t/4040755
       name: DevForum
     - icon: simple/discord
       link: https://discord.gg/N2KEnHzrsW