feat(gui): 新增通用UI预制体与资源文件，清理旧配置文件

本次提交新增了一套通用GUI组件预制体，包括弹窗、列表、按钮等基础UI组件，同时添加了配套的图片资源与元数据文件。删除了旧的英雄配置相关的元数据文件，完成资源与配置的整理优化。

assets/resources/gui/ui5.png.meta

@@ -0,0 +1,42 @@
+{
+  "ver": "1.0.27",
+  "importer": "image",
+  "imported": true,
+  "uuid": "2d14592d-25ad-478c-8d9e-e9b8d8d401da",
+  "files": [
+    ".json",
+    ".png"
+  ],
+  "subMetas": {
+    "6c48a": {
+      "importer": "texture",
+      "uuid": "2d14592d-25ad-478c-8d9e-e9b8d8d401da@6c48a",
+      "displayName": "ui5",
+      "id": "6c48a",
+      "name": "texture",
+      "userData": {
+        "wrapModeS": "repeat",
+        "wrapModeT": "repeat",
+        "minfilter": "linear",
+        "magfilter": "linear",
+        "mipfilter": "none",
+        "anisotropy": 0,
+        "isUuid": true,
+        "imageUuidOrDatabaseUri": "2d14592d-25ad-478c-8d9e-e9b8d8d401da",
+        "visible": false
+      },
+      "ver": "1.0.22",
+      "imported": true,
+      "files": [
+        ".json"
+      ],
+      "subMetas": {}
+    }
+  },
+  "userData": {
+    "type": "texture",
+    "hasAlpha": true,
+    "fixAlphaTransparencyArtifacts": false,
+    "redirect": "2d14592d-25ad-478c-8d9e-e9b8d8d401da@6c48a"
+  }
+}