add export programming language Typescript

[eviltester]

Closes #19

[Copilot]

Pull request overview

Adds TypeScript as a supported programming-language export format (closing #19), including UI integration, conversion logic, tests, and documentation.

Changes:

• Introduces a new TypeScriptConvertor + TypeScriptConvertorOptions and wires it into the exporter + file type mapping.
• Adds a dedicated TypeScript options panel and integrates TypeScript into the “Code” UI group (tabs + generator page).
• Adds Jest tests for the convertor and options panel, plus new TypeScript documentation pages and a blog update.

Reviewed changes

Copilot reviewed 13 out of 13 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
tests/utils/options-typescript-panel.test.js	Adds UI tests for the new TypeScript options panel.
tests/generator/data-generator-page.test.js	Updates generator tests to expect TypeScript in the “Code” optgroup.
tests/data_formats/typescript-convertor.test.js	Adds unit tests for TypeScript export formatting and option behaviors.
js/gui_components/tabbed-text-control.js	Adds TypeScript as a “Code” subtab entry.
js/gui_components/options_panels/options-typescript-panel.js	Implements the TypeScript options panel UI and option serialization.
js/gui_components/import-export-controls.js	Registers the TypeScript options panel in the import/export UI.
js/gui_components/data-generator-page.js	Adds TypeScript to generator output formats and registers its options panel.
js/grid/exporter.js	Registers TypeScript convertor + default options in the exporter.
js/data_formats/typescript-convertor.js	Implements TypeScript export conversion logic and option handling.
js/data_formats/file-types.js	Adds .ts file extension mapping for TypeScript.
docs-src/docs/030-data-formats/typescript/options.md	Documents TypeScript export options.
docs-src/docs/030-data-formats/typescript/010-typescript.md	Adds TypeScript data format documentation page.
docs-src/blog/2026-04-28-more-programming-language-exports.md	Updates release blog draft to include TypeScript export.