Update HttpService.yaml

[sammygrey]

Changes

Added information for HTTP methods, what each of them are, and if they are currently supported by Roblox's HTTPService.

Connect is the only method not currently supported. This is likely because it creates an information tunnel between the target server and the server requesting the connection. I can provide the code I used to test each of the methods, but it's just a pretty simple express server and Roblox script. I'll make a feature request for the Connect method but I think its pretty unlikely that will ever get added.

I also don't know if it's a problem that I linked 3rd party sources (Mozilla Docs), but Roblox doesn't have pages for the individual HTTP methods and I don't believe it would make sense to add individual pages for them as it entirely relates to the HTTPService.

Checks

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[sammygrey]

https://developer.mozilla.org/ is a resource for all things web-development. The links in the proposed changes for HttpService.yaml link to detailed info on each of the listed HTTP methods.

[sammygrey]

Please lmk if parent URLs whitelist child URLs, I don't want to clutter the allowedlinks file