Create a root template repository with routing capabilities

[webJose]

Create a Vite + Svelte + TS project that:

• Uses @svelte-router/core for routing
• Uses @collagejs/svelte for piece (micro-frontend) mounting
• Explains how it works
• Explains where to configure things like routing options

[webJose]

Progress

• Create initial project
• Add README
• Showcase router
• Explain project structure
• Add @collagejs/vite-im
• Showcase a CollageJS piece
• Refine appearance

[webJose]

Blocked for now, until @collagejs/imo and @collagejs/vite-im are finished.