Reorganized files, started splitting up unit

scripts/battle/combat_tactics/combat_tactic.gd

@@ -0,0 +1,13 @@
+class_name CombatTactic extends Resource
+
+@export var tactic_name: String = ""
+@export var tactic_range: CombatTacticRange
+
+func get_offensive_stats(_unit: Unit) -> Variant:
+	return null
+
+func get_relevant_defense(unit: Unit) -> int:
+	return unit.current_stats.phys_def
+
+func deals_damage() -> bool:
+	return false