(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/Data/BulletDef.cs

@@ -0,0 +1,8 @@
+namespace Data
+{
+    public class BulletDef:EntityDef
+    {
+        public string className;
+        public string value;
+    }
+}