move entity definitions to templates

src/entity.js

@@ -1,18 +1,12 @@
 import { Vector2 } from 'three'
+import Pathfind from './pathfind.js'
 import SAT from 'sat'
 import SATX from './satx.js'
-import Pathfind from './pathfind.js'
-import Ability from './ability.js'
 import Team from './team.js'
 
 export default class Entity {
   id = crypto.randomUUID()
-  abilities = [
-    Ability.rangedAttack,
-    Ability.straightShot,
-    Ability.shieldThrow,
-    Ability.blink,
-  ]
+  abilities = [null, null, null, null] // TODO: do something about this being an array...
   casting = null
   cooldowns = {}
   dead = false
@@ -22,6 +16,7 @@ export default class Entity {
   radius = 0
   speed = 400
   team = Team.neutral
+  memory = {} // TODO: WARNING: currently only used for minions (code smell?)
 
   #attacking = false
   #dest = null