feat: diff-generator frontend

[mrcjhicks]

Description

It is the web interface for the diff-generator tool; can be used to compare branches or releases in the spectrum-tokens repo. (Shirley's work!)

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[GarthDB]

Run report for f7af282f

Total time: 2.9s | Comparison time: 2.9s | Estimated savings: 9.1ms (0.3% faster)

	Action	Time	Status	Info
🟩	SyncWorkspace	6.9ms	Passed
⬛️	SetupToolchain(node:~20.12)	1.2s	Skipped
🟩	SyncProject(node, visualizer)	0.4ms	Passed
🟩	SyncProject(node, site)	0.4ms	Passed
🟩	SyncProject(node, s2-visualizer)	0.5ms	Passed
🟩	SyncProject(node, diff)	0.7ms	Passed
🟩	SyncProject(node, tdiff)	0.4ms	Passed
🟩	SyncProject(node, tokens)	0.4ms	Passed
🟩	SyncProject(node, csvGenerator)	0.3ms	Passed
🟩	RunTask(site:copySchema)	29.6ms	Passed
🟥	InstallWorkspaceDeps(node:~20.12)	1.7s	Aborted

Touched files

.moon/workspace.yml
docs/token-diff/.editorconfig
docs/token-diff/.gitignore
docs/token-diff/.husky/pre-commit
docs/token-diff/LICENSE
docs/token-diff/README.md
docs/token-diff/demo/index.html
docs/token-diff/index.d.ts
docs/token-diff/moon.yml
docs/token-diff/package.json
docs/token-diff/src/CodePanel.ts
docs/token-diff/src/CompareCard.ts
docs/token-diff/src/DiffReport.ts
docs/token-diff/src/GettingStarted.ts
docs/token-diff/src/NavBar.ts
docs/token-diff/src/PageContainer.ts
docs/token-diff/src/TokenDiff.ts
docs/token-diff/src/assets/adobe_logo.svg
docs/token-diff/src/code-panel.ts
docs/token-diff/src/compare-card.ts
docs/token-diff/src/diff-report.ts
docs/token-diff/src/fetchFromGithub.ts
docs/token-diff/src/getting-started.ts
docs/token-diff/src/index.ts
docs/token-diff/src/nav-bar.ts
docs/token-diff/src/page-container.ts
docs/token-diff/src/token-diff.ts
docs/token-diff/src/typekit.js
docs/token-diff/tsconfig.json
docs/token-diff/web-dev-server.config.js