resolves #108: support multiple start paths in gulp tasks
Introduces a startPaths array const in gulpfile.js: each entry is processed into a UI and packed into the bundle at the described path.
I haven't checked if this works with preview.
Introduces a startPaths array const in gulpfile.js: each entry is processed into a UI and packed into the bundle at the described path.
I haven't checked if this works with preview.