Add cooldowns for more powerful continuous spells

src/main/resources/assets/ebwizardry/spells/fire_breath.json

@@ -15,7 +15,7 @@
   "type": "attack",
   "cost": 15,
   "chargeup": 15,
-  "cooldown": 0,
+  "cooldown": 70,
   "base_properties": {
     "range": 10,
     "damage": 6,

src/main/resources/assets/ebwizardry/spells/lightning_web.json

@@ -15,7 +15,7 @@
   "type": "attack",
   "cost": 15,
   "chargeup": 15,
-  "cooldown": 0,
+  "cooldown": 70,
   "base_properties": {
     "primary_damage": 5,
     "secondary_damage": 4,

src/main/resources/assets/ebwizardry/spells/ray_of_purification.json

@@ -15,7 +15,7 @@
   "type": "attack",
   "cost": 10,
   "chargeup": 10,
-  "cooldown": 0,
+  "cooldown": 40,
   "base_properties": {
     "range": 10,
     "damage": 2,

src/main/resources/assets/ebwizardry/spells/wall_of_frost.json

@@ -15,7 +15,7 @@
   "type": "utility",
   "cost": 15,
   "chargeup": 15,
-  "cooldown": 0,
+  "cooldown": 70,
   "base_properties": {
     "duration": 600,
     "range": 10