Add AttackRequirementDSL and small changes to CombatSpellDSL

data/plugins/combat/spells/bolts.rb

@@ -1,12 +1,18 @@
 create_combat_spell :wind_bolt do
-  interface spellbook: :modern, button: 10
-
-  level_requirement 17
+  
+  spellbook :modern, button: 10
   max_damage 8
-  runes {}
-
+  
   effects animation: 1162, graphic: {id: 117, height: 100}, hit_graphic: {id: 119, delay: 100}
-  projectile projectile: 118, projectile_type: :bolt_spells
+  projectile id: 118, type: :bolt_spells
+  
+  requirements do
+    rune :air, amount: 3
+    rune :chaos, amount: 1
+    
+    skill :magic, level: 17
+  end
+
 end
 
 create_projectile_type :bolt_spells, start_height: 46, end_height: 36, delay: 51, speed: 12, slope: 15, radius: 86