405 and CORS about gql

[talentlessguy]

regarding CORS I don't know why the error happens because it's not controlled by gql, but for OPTIONS it's a bug.

If you want, you can create a PR for it, or I'll fix it later myself, seems very simple to fix.

[MichaelFedora]

@avalero The solution is not from the library but from how you are handling CORS with your app.

Please see an example with CORS here: https://github.com/MichaelFedora/gql/blob/vanilla-cors/examples/vanilla.ts

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I say this because OPTIONS is correctly handled by oak (and probably other http libraries), so if you are using vanilla, you are going to have to do it manually regardless.