feat: add dom createElement adapter with fragment support.

[knightedcodemonkey]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.44%. Comparing base (fe3c9f5) to head (c71c600).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #84      +/-   ##
==========================================
+ Coverage   88.12%   88.44%   +0.32%     
==========================================
  Files          24       25       +1     
  Lines        1861     1913      +52     
  Branches      502      516      +14     
==========================================
+ Hits         1640     1692      +52     
  Misses         70       70              
  Partials      151      151              

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[Copilot]

Pull request overview

Adds a jsx.createElement / jsx.Fragment facade so consumers can build DOM output without using the tagged-template syntax, and extends the demo + tests to validate the new API.

Changes:

• Introduces jsx.createElement and jsx.Fragment by wiring a new DOM createElement implementation into src/jsx.ts.
• Extracts shared JSX render types (JsxRenderable, JsxComponent) into src/internal/jsx-types.ts.
• Updates unit/e2e fixtures and Playwright coverage to exercise createElement + Fragment, and adds a helper script to serve the demo fixture.

Reviewed changes

Copilot reviewed 7 out of 8 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
test/jsx.test.ts	Adds unit tests for jsx.createElement and jsx.Fragment.
test/fixtures/e2e.html	Adds a new demo section rendered via jsx.createElement/Fragment.
src/jsx.ts	Exposes createElement + Fragment on the exported jsx tag and refactors type exports.
src/internal/jsx-types.ts	New shared type module for JsxRenderable / JsxComponent.
src/internal/dom-create-element.ts	New implementation of the DOM createElement facade and Fragment handling.
playwright/esm-demo.spec.ts	Adds Playwright coverage for the new demo section and de-ambiguates the original counter button selector.
package.json	Bumps version and adds demo:e2e-fixture script.
package-lock.json	Lockfile version bump alignment with package version.

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