LegendKeeper 0.15.0.0

Added drag and drop functionality to content blocks within the editor.
Moved block controls into the drag handle menu for a cleaner interface.
Added a "add below" button to the drag handle menu for easily squeezing content between two content blocks.
Added block delete button in drag handle menu.
Added block duplicate button in drag handle menu.
Added content drag and drop between the main editor and Text Field Blocks.
Added new row and column table controls.
Updated "LegendKeeper Update" notification.
Reimplemented Google login to not need Firebase dependencies; should result in faster login and more lightweight login screen.
Fixed bug causing expand title to be copy-pasted twice.
Fixed table copy paste bug present in Windows.
Fixed a few visual bugs around the app
Various bug fixes

Rewrote legacy application to use Vite instead of ancient Create React App.
Merged legacy LegendKeeper client into the new monorepo.
Abstracted all synchronization and business logic out of LK to separate module for use in future multi-platform versions.
Redeployed all LegendKeeper services onto new managed infrastructure
- Reduced client update deployment time by 88%.
- Reduced server update deployment time by 95%
- Updates to the server will no longer trigger update dialogs for the client.