Nexus Leaderboards - Detect addons, Create leaderboards

You do not have to update to this version, I have just standardized the tool category to "Nexus" to follow the other addons

Completely renew the legacy UI to the new UI

Fix a bug with the toolgun when pressing Reload

Adapt to new UI lib

Make it support the new theme & update the UI - in the pictures.

New UI design if you prefer the old one please install it here:

https://github.com/oreo-withhelm/nexus-library

+ tonumber the board ID

+ add safety check as for some reason LocalPlayer() returns nil when it shouldnt

Dont draw the menu if the nexus lib hasnt loaded

Nexus Lib v2 support

+ networking fixes

Fixed MySQL issues, Thanks to nafi pointing them out <3

French Translation

Fix leaderboard timers being nil

Support and detect time values

Fix the tables not loading if nexus_config is used instead of the toolgun