Is it possible to add more battle classes or skill trees then?
Last time I played TitS the max level was 10 and all you could do was stack hundreds and find gear after that.
As far as I know, the planned level cap is 20, and there might/will be a Psionic class (though only the Devs know when they intend to work on it). I don't know if the current cap is because the Devs don't have perks designed yet (3 auto + 6 discretionary (Level 11) to 30+60 (Level 20), a full 20 level class would be 55 perks (1 (Level1) + 3*18 (Levels 2-20 - Level 8)), assuming no more universal levels) or just feel like it's not a good time to increase the cap.
So I would love to at least have the option to get a drone to help me in battle even if I picked mercenary as a reward for maxing the captain.
You can equip a Drone (Tam-Wolf or Siegwulf) even if you're not a Tech Specialist. It just won't do much damage, and you can't get Tam-Wolf 2.0, so Combat Siegwulf is better (same base damage + Evasion bonus).
I don't know what you mean by write it. I don't know programming. But of you mean write like in a script or a novel I can do that. But all I meant was adding more skill trees options , one last option, for maxing.
Now if you're say write a .martial arts fight scene I can do that.
You don't have to know programming to contribute. You'd need a solid idea of what you want your perks to do and a way to get them, though.
For Example: Limber from Paige, Concussive Shot from Tanis, etc..
As an aside, there are some TFs that grant more than just Tease bonuses or alter Sex scenes:
Wings (and the Light Jetpack) already allow easier (faster/less Energy expenditure) access to the Zil Village, Myrellion's Deep Caves and a (mostly unused) Cave on the Southeastern edge of Uveto. There was an update recently that allowed players with Wings to attack flying enemies with melee attacks (the real flag is canFly, but Wings and the Light Jetpack are the only means of acquiring it at the moment). This is a special case because there is an item (Light Jetpack) and a Perk (Mercenary 10) that allows it, so it's not exclusively locked behind a transformation.
Icy Veins (Frostfire) and Wooly (New Ewe) negate Freezing Damage from Uveto's climate. Again, there are other ways to get the same effect (Stacking Freezing Resistance via Armor/Undergarments, Thermal Packs, Shelter Drone, Heat/Arctic Warfare Belt) and neither perk actually increases your Freezing Resistance.
(And Dumb4Cum, which increases Intelligence cap to 7 * level instead of 5* and is insanely/brokenly good on Tech Specialists. Maybe Cybernetic Synchronization will rival it later, but right now there aren't any Cybernetics.)