Dev stat neigh app (#24)

* Chore: Move region dev scripts to own folder in dev

* Chore: Creating and starting dev workshop script for Stat neigh page

* Data: Updated Data dict for 0 dps

* Fix: Adding base family font specification to general_theme() for shinyapps io

* Fix: Use css to apply font to ggiraph plot

* Fix: Trying Arimo font loaded using gdtools

* Fix: Adding gfonts to renv

* Fix: Removed gdfonts method to get Arial in plots, using css

* Chore: Setting up the stat neigh page workshop script

* Chore: Remove merged gdtools method

* Chore: Updating support tab with feedback form and ading css to stop unecessary x-scroll appearing

* Chore: Logic to recreate static version of Stat Neigh page in dev workshop script

* Chore: Using stat_n_la to create areas for SN

* Chore: Adding Years_num calculation to global bds metrics

* Fix: Changing tooltip to use Years descriptor rather than years_num

* Chore: Updating LA workshop to use Years_num from global

* Chore: Using get_years in vlines function

* Tests: Updated LA screenshot tests

* Chore: Using Years_num from global in LA dev app and mod

* Chore: Updating regional and stat neigh workshop with Years_num from global

* Fix: Removing legacy measure col pull in get diff fn

* Chore: Updating Statistical neighbour LA numbers to -, convert LA number to chr in global

* Style: Formatting layout of stat neigh workshop script

* Feat: Added focus and multi-choice plot to stat neigh dev workshop

* Chore: Remove left padding in full screen app for more main panel space

* Tests: Updating LA screenshot tests

* Feat: New dev app for stat neigh, has stat neigh table and geog comp table

* Feat: Combined stats table in stat neigh, setting NA to blank for ranks and QB, also applying QB colour formatting

* Feat: Focus and multi charts added to stat neigh dev app

* Fix: Reordering of factors in multi-line chart now checks if these exist in data (prevents warning)

* Feat: Focus and multi choice bar charts now in stat neigh workshop and dev app, chart choices work across line and bar and main input changes

* Tests: Fixed get QB colour tests and updated LA screenshots