Reorganized files, started splitting up unit

scripts/battle/combat_engine/combat_proposal.gd

@@ -0,0 +1,16 @@
+class_name CombatProposal extends Resource
+
+class CombatantStats:
+	var unit: Unit
+	var max_hp: int
+	var hp: int
+	var sp: int
+	var hit: int
+	var atk: int
+	var def: int
+	var spd: int
+	var available_tactics: Array[CombatTactic] = []
+	var selected_tactic: CombatTactic
+
+var attacker: CombatantStats
+var defender: CombatantStats