(client)feat:实现子弹定义以及生成，实现初始化动画，实现血条 (#43)

Co-authored-by: zzdxxz <2079238449@qq.com>
Co-committed-by: zzdxxz <2079238449@qq.com>

Client/Assets/Scripts/Entity/BuildingOutline.cs

@@ -0,0 +1,20 @@
+using UnityEngine;
+
+namespace Entity
+{
+    public class BuildingOutline:Outline
+    {
+        public BoxCollider2D boxCollider;
+        override public void Init()
+        {
+            var size = GetSize();
+            outlineRenderer.size = size;
+            boxCollider.size = size;
+            if (progressBarPrefab)
+            {
+                progressBarPrefab.transform.localPosition += new Vector3(0f, size.y * 2 / 3, 0f);
+                progressBarPrefab.transform.localScale = new Vector3(size.x, 1f / 10f, 1);
+            }
+        }
+    }
+}