Added conditional to apply uniques only if the game starts in a specific era

Generalized "Stats per policies" unique

Deprecated old-form city-state uniques

Changes to moddable UI  - By GGGuenni

Add Repair and Pillaging Roads  - By itanasi

AbsoluteUnits - Unique Elephants  - By letstalkaboutdune

Fix typo in AUR workflow  - By Thyrum

HexaRealm units are here, finally!  - By GeneralWadaling