Regula/female images for all vanilla units

This one might be somewhat controversial... The MR contains images for all vanilla units and the illustration commands to display them when the player has the regula maa trigger. The main idea here is to replace all vanilla unit pictures with female versions (Immersion etc.). The images are very sexed down compared to the current regula unit pictures. Basically, just the vanilla pictures but female. This is for two reasons:

• a. Censorship (OpenAI *shakes fist at clouds*)
• b. Personal preference. If everyone is a sex god - no one is. The sexy pictures can be used for accolades/special units/... To that end, I left the special regula units and the accolades untouched. Unfortunately, I have no idea how to change the levies or the nomadic rider graphics without rewriting the .gui files. So these also remain as is :/

The images are quite good for what they are, but obviously far from perfect. The ai had issues with ethnicity adherence and at several points overdid the censorship (like mangudai in full clothing). If you want me to, I can try to rework some or all of these images with a new prompt (It's automated and doesn't need supervision -> not too much work).

Would be glad to hear your opinion on this.