nano bots

catabolism - 2% (was 2.3%) of max health removed
many worlds - spawns 2 rerolls (was 1)
pilot wave field- now has access to several mods that normally require other fields
  this plus the fragmenting block mod are a big buff for late game pilot wave
  let me know if it is too strong

mod nano-scale: bot prototypes - upgrade a bot type and build 2 of that bot
mod nano-scale: bot manufacturing - build 3 random bots
  these mods don't show up in custom

js/game.js

@@ -588,7 +588,7 @@ const game = {
         if (mod.isMutualism && !mod.isEnergyHealth) {
             for (let i = 0; i < bullet.length; i++) {
                 if (bullet[i].isMutualismActive) {
-                    mech.health += 0.01
+                    mech.health += 0.005
                     if (mech.health > mech.maxHealth) mech.health = mech.maxHealth;
                     mech.displayHealth();
                 }