feat: allow flexible block usage

[aidenybai]

Please describe the changes this PR makes and why it should be merged:

This PR introduces compatibility for inline functions in block().

For example:

const HelloBlock = block(function Hello() {
	return <div>HELLO</div>
});

Status

• Code changes have been tested against prettier, or there are no code changes
• I know how to update typings and have done so, or typings don't need updating

Semantic versioning classification:

• This PR changes the codebase
  • This PR includes breaking changes (methods removed or renamed, parameters moved or removed)
  • This PR changes the internal workings with no modifications to the external API (bug fixes, performance improvements)
• This PR only includes non-code changes, like changes to documentation, README, etc.

[coveralls]

Pull Request Test Coverage Report for Build 5196423642

• 150 of 1661 (9.03%) changed or added relevant lines in 12 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-5.3%) to 32.051%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
packages/compiler/index.ts	6	7	85.71%
packages/react/constants.ts	8	11	72.73%
packages/compiler/experimental/utils.ts	3	32	9.38%
packages/compiler/react/utils.ts	17	54	31.48%
packages/compiler/plugin.ts	39	83	46.99%
packages/compiler/experimental/render.ts	11	150	7.33%
packages/compiler/react/optimize.ts	20	189	10.58%
packages/compiler/react/visitor.ts	10	221	4.52%
packages/compiler/vdom/visitor.ts	21	269	7.81%
packages/compiler/react/transform.ts	13	643	2.02%

Totals
Change from base Build 5151780854:	-5.3%
Covered Lines:	904
Relevant Lines:	2982

---

💛 - Coveralls

[tobySolutions]

Ooh! Nice addition. Quick question Aiden. How is that you just add these features with ease? I wanna learn how to ship features too.

Teach me sensei! 🙇‍♂️🙇‍♂️

[Qodestackr]

Ooh! Nice addition. Quick question Aiden. How is that you just add these features with ease? I wanna learn how to ship features too.

Teach me sensei! bowing_manbowing_man

I wanna join you too. Am learning and we can definitely push. Great work!