adding abilities, created skill tree template and unlock mechanics

api/app/data/abilities/shield_of_faith.yaml

@@ -0,0 +1,25 @@
+# Shield of Faith - Oathkeeper Aegis of Light ability
+# Shield for self and allies
+
+ability_id: "shield_of_faith"
+name: "Shield of Faith"
+description: "Create a shield of divine faith that protects you and nearby allies"
+ability_type: "spell"
+base_power: 35
+damage_type: null
+scaling_stat: "wisdom"
+scaling_factor: 0.5
+mana_cost: 20
+cooldown: 3
+is_aoe: true
+target_count: 0
+effects_applied:
+  - effect_id: "faith_shield"
+    name: "Shield of Faith"
+    effect_type: "shield"
+    duration: 3
+    power: 25
+    stat_affected: null
+    stacks: 1
+    max_stacks: 1
+    source: "shield_of_faith"