Use selector to detect syntax

[borela]

Fixes: Compatibility with external HTML syntaxes that has a different name but the same root scope. Example: https://github.com/borela/naomi/issues/173

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Short description of what this resolves:

Detect any HTML syntax by scope instead of name, this will enable the plugin to work with HTML4, HTML5, etc... syntaxes.

Proposed changes:

Add the selector and remove syntax name.

👍 Thank you!

[borela]

I had to disable D211 because it was conflicting with D203, it seams to be the change that required the least amount of comestic changes to the current code style.

[thedaviddias]

Ok. I think it's good for now.

[mmaday]

👍