Use LiveReload `animate` parameter
Use `local_url` if available to generate asset path

When models are included as partials (index page)
to get the correct URL a reference to `local_url`
passed inside `model-index`.
Model: Make first parameter (URL) omitable
Fix local component render from model
Add subpages count
Add breakpoint gem
Config: Remove {} attribute delimiter from Slim templates
Adjust formatting