adding abilities, created skill tree template and unlock mechanics

api/app/data/abilities/mass_domination.yaml

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+# Mass Domination - Lorekeeper Illusionist ultimate
+# Mind control all enemies
+
+ability_id: "mass_domination"
+name: "Mass Domination"
+description: "Dominate the minds of all enemies, forcing them to attack each other"
+ability_type: "spell"
+base_power: 0
+damage_type: "arcane"
+scaling_stat: "charisma"
+scaling_factor: 0.7
+mana_cost: 75
+cooldown: 8
+is_aoe: true
+target_count: 0
+effects_applied:
+  - effect_id: "dominated"
+    name: "Dominated"
+    effect_type: "debuff"
+    duration: 3
+    power: 100
+    stat_affected: null
+    stacks: 1
+    max_stacks: 1
+    source: "mass_domination"