Add CrashingPunch and making it work

Assets/Battle/BaseCard.cs

@@ -0,0 +1,43 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public enum CardId {
+    CrashingPunch
+}
+
+public enum CardType {
+    Action
+}
+
+public abstract class BaseCard
+{
+    private CardId id;
+    private string displayName;
+    private int cost;
+    private CardType type;
+    private string effectText;
+
+    public BaseCard(CardId id, string displayName, int cost, CardType type, string effectText) {
+        this.id = id;
+        this.displayName = displayName;
+        this.cost = cost;
+        this.type = type;
+        this.effectText = effectText;
+    }
+
+    public abstract IEnumerator Use(BattlePlayerControls playerControls);
+
+    public CardId GetId() {return id;}
+    public string GetDisplayName() {return displayName;}
+    public int GetCost() {return cost;}
+    public string GetDisplayType() {
+        switch (type) {
+            case CardType.Action:
+                return "";
+            default:
+                throw new System.ArgumentException("CardType unknown", "cardType");
+        }
+    }
+    public string GetEffectText() {return effectText;}
+}