fix: avoid style injection

[mikewuu]

An alternative approach to the one taken in #182, which offers automatic style loading without versioning, or style injections:

• Includes styles by default.
• Always import index.css in <SeamProvider/>.
• Allows the user to opt-out by specifying disableStyles.

[razor-x]

I'd like to avoid this approach as it requires a bundler that understands how to bundle css. As-is, the lib compiles with TSC to a standard es module which is very compatible, and with the recent injection update, it no longer requires users to configure a bundler that supports css. I am looking at turning these into web components and I think this change will further complicate that.

[mikewuu]

Fair enough. Still wrapping my head around the fact that this is a lib, and we don't have a bundler.

[razor-x]

No worries. Even if we used a bundler that could import css, then you have to ask: what would it replace the import with at bundle time? It would have to either be inline styles or a link to a cdn hosted stylesheet 😁

[mikewuu]

Don't bundlers just combine all css imports into a single index.css file?

To your point, guess we can't assume that.

[razor-x]

Don't bundlers just combine all css imports into a single index.css file?

That is exactly what Sass cli is doing right now.