─ Fix Networking issues upon Spawner Creation

─ Added ability to copy spawners with the Reload button
─ Saving w/ pretty JSON

+ fix: most of compatibility by spawning entities from 3rd Party Addons is fixed including ─ but not limited to ─ Gredwitch's Emplacements & WAC

+ new: added server-side function which is used to spawn Scripted Entities instead of using

Fix Lua error while holding the tool with Player Presence Radius set upper than 0

- feature: a Custom Preset System allowing to save the list of selected entities
- feature: added an offset angle parameter to `Circle` shape
- fix: using the gravity gun shortcut still render the preview
- fix: error while using the tool in a instant spawn mode

- update: refactored the preview renderer, now, only one CSEntity is used to draw all preview locations. Functions about 'GhostEntity' have been changed, see source code.
- update `vkx_entspawner.new_spawner` return now an `@EntitySpawner` instead of the spawner's ID
- update: `@EntityChance.percent` has been remapped from 0-100 to 0-1 (2 decimals)
- update: Shape's `convars` is now a table of table using a specific structure instead of a table of string containing the value (see end of the autorun file for examples). This is intended for giving enough information to the Preset System

- Fix Ghost Entities visible at world origin at game start
- Fixed unability to create perma spawners

- Fix drawing in skybox
- Fix Lua error which blocked spawners from running

- Added trigger_multiple and trigger_once to blocking blacklist
- Added a preset button in the interface