[FEATURE] - Adapt the addon for compatibility with classic

[Neogeekmo]

use this to detect the version APR.Season = C_Seasons and C_Seasons.HasActiveSeason() and C_Seasons.GetActiveSeason() -- For classic

for the interface version local gameVersion = select(4, GetBuildInfo())

and this kind of variable to use the available API local GetAddOnMetadata = C_AddOns and C_AddOns.GetAddOnMetadata or _G.GetAddOnMetadata