Add mobile preview link to doc detail page
Set state 'hidden' if no calendar/map content selected
Revise marker category order
Remove duplicated order
Now use unique sort key to sort marker by category
Change attribute name
Hide state selection if no content specified
Move doc partial to shared directory
Now doc image links to doc page
Add category with link to doc style
Merge branch 'master' of github.com:zomeki/zomeki-development into revise-gp_category-docs-piece
Merge branch 'revise-gp_category-docs-piece' of github.com:zomeki/zomeki-development into revise-gp_category-docs-piece
Change date_style to local
Use doc_style instead of list_style
Add brackets to asc/desc
Apply docs_order to public side
Apply new piece settings to public side