fix(webapp): load pyodide in app

[henryiii]

No longer required for users to load separately.

[Copilot]

Pull request overview

This PR updates the repo-review webapp so it no longer relies on the host page (or docs pages) to pre-load Pyodide via a <script> tag, instead loading Pyodide from the CDN at runtime within the app.

Changes:

• Load Pyodide dynamically from jsDelivr at runtime in the webapp utility code.
• Remove Pyodide <script> tags from the app HTML entrypoint and documentation pages/examples.
• Enable JSON imports in TypeScript config and move pyodide to runtime dependencies to support version-based CDN loading.

Reviewed changes

Copilot reviewed 5 out of 6 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
tsconfig.json	Enables resolveJsonModule to allow importing pyodide/package.json for versioning.
src/repo-review-app/utils/pyodide.ts	Switches from global window.loadPyodide to dynamic import from a versioned CDN URL.
src/repo-review-app/index.html	Removes the explicit Pyodide CDN <script> tag.
package.json	Moves pyodide into dependencies (needed at runtime for version resolution).
docs/webapp.md	Updates embedding/bundling notes to reflect automatic Pyodide loading.
docs/live-demo.md	Removes the explicit Pyodide CDN <script> tag from the live demo doc page.

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