refactor: 更新技能描述与UI预制件配置

1.  调整所有技能info字段为更清晰的功能说明
2.  新增怪物普攻配置规范与overrides示例
3.  新增Lable、herosbg两个UI预制件资源
4.  调整ui5.plist的边框配置参数

assets/resources/gui/ui5.plist.meta

@@ -118,8 +118,8 @@
         "rawHeight": 54,
         "borderTop": 0,
         "borderBottom": 0,
-        "borderLeft": 0,
-        "borderRight": 0,
+        "borderLeft": 44.5,
+        "borderRight": 44.5,
         "packable": true,
         "pixelsToUnit": 100,
         "pivotX": 0.5,
@@ -578,8 +578,8 @@
         "rawHeight": 45,
         "borderTop": 0,
         "borderBottom": 0,
-        "borderLeft": 0,
-        "borderRight": 0,
+        "borderLeft": 26,
+        "borderRight": 26,
         "packable": true,
         "pixelsToUnit": 100,
         "pivotX": 0.5,
@@ -4994,8 +4994,8 @@
         "rawHeight": 45,
         "borderTop": 0,
         "borderBottom": 0,
-        "borderLeft": 0,
-        "borderRight": 0,
+        "borderLeft": 40.5,
+        "borderRight": 40.5,
         "packable": true,
         "pixelsToUnit": 100,
         "pivotX": 0.5,
@@ -5040,8 +5040,8 @@
         "rawHeight": 42,
         "borderTop": 0,
         "borderBottom": 0,
-        "borderLeft": 0,
-        "borderRight": 0,
+        "borderLeft": 34.5,
+        "borderRight": 34.5,
         "packable": true,
         "pixelsToUnit": 100,
         "pivotX": 0.5,
@@ -5086,8 +5086,8 @@
         "rawHeight": 42,
         "borderTop": 0,
         "borderBottom": 0,
-        "borderLeft": 0,
-        "borderRight": 0,
+        "borderLeft": 34.5,
+        "borderRight": 34.5,
         "packable": true,
         "pixelsToUnit": 100,
         "pivotX": 0.5,