StandaloneCommerceService impl

added @hanzo/cart to tailwind content.files
@hanzo/cart QuantifyWidget: new
Added some mobx ssr optimizations
@hanzo/ui Button: added 'rounded' as variant
  added xs to size

… header (#26)

added persist to firestore, basic checkout page
made checkout based on ScreenfulBlock
added auth provider
add to cart w/o login
added wallet login, fixed email and password login
added auth widget to @hanzo/auth, added support for auth widget in header in @hanzo/ui
multi step checkout, connect wallet address with user

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Co-authored-by: artem ash <[email protected]>

* facets / category
* Made observable wrapper for Category
Cart: generalized cat facets config.
* nice svgs for 'form' facets
* ui: fixed primitives/toggle colors;
cart: facet-image is it's own class.
* responsivity:  >= md
* layout: sm 
* resp: >= sm; shopping cart button and cart drawer
* mobile
* Cart drawer; 
* organized store into diff routes
* Cart View
* loading states for SCV
* Sizes, more layout improvements
* cart: made data init of CommerceService impl general.  So moved data it into Market
* new cart domain model
* safegaurded params in SCV
* MCV: mobile layout
* SCV: skeleton for loading
* better conf in apps/market
* better commerce module conf
* mobile iOS picker for larger option sets;
some renaming and cleanup
* MCV: better mobile layour and support
* new buy routers
* service validation and bug fixes related to 'prod' mode
* FacetTogglesWidget
* sep of FacetTogglesWidget and FacetsWidget
* ui/primitives/ListBox
* separation of facet widget
* CategoryAndItemWidget: cleanup and generalization
* cleanup of types in commerce re facets

#32)

Co-authored-by: artem ash <[email protected]>