XHP attributes page doesn't mention data- and aria- support

[muglug]

Please complete the information below:

Where is the problem?

In the attributes section

What is the problem?

The typechecker allows arbitrary data- and aria- attributes, but there's no mention of that in the documentation

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Please don't change anything below this point.

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• Build ID: HHVM=HHVM-4.164.0:HSL=v4.108.1:2022-09-30T00:34:43+0000:1fa47f258c6b68f8ec01899aa82fd6ffa0957109
• Page requested: /hack/XHP/basic-usage
• Page requested at: Fri, 07 Oct 2022 19:18:51 +0000
• Controller: GuidePageController