Split bundle to allow for import without Shoelace components

[spwoodcock]

Is your feature request related to a problem? Please describe.

• Currently importing the components.js bundle imports all Shoelace components and composite HOT components together.

// Build stats
dist/style.css       27.95 kB │ gzip:   6.33 kB
dist/components.js  587.93 kB │ gzip: 130.64 kB

• The components bundle may be a bit heavy if not everything is needed.

Describe the solution you'd like

• Create two Vite config files, with different outputs.
• One should generate a bundle with only the HOT composite components (which includes the required Shoelace component dependencies).
• Another should generate the bundle as it is now, with everything together, about 500kb.
• Ideally have three files: HOT composite components, Shoelace exports, a file to wrap the two and export both.

Additional info

• This only affects the bundles.
• Importing the individual ES Modules is much more efficient if only a few components are required.