update: dictionary grid
add: dummy data
add: filter (search)
add: letter header

bug fixes
add: sidebar (progress)
add: styling to thumbs
update: search results
add: scroll to letter upon progress click
add: a bit of initial layout fixes
cleanup
add: mobile support
update: mobile fine-tuning
add: command routing to whole application
add: video overlay, currently this is a global functionality
fix: close button hitarea
add: dictionary video deeplink
update: video styling
cleanup
add: dictionary link parser, only entry code atm.
bugfix: updated core classes
add: load rows as we scroll, for performance
Merge branch 'feature/page-dictionary' into feature/page-guide

keeping page-guide branch up2date, let me know if any problems!!