feat(skill): 新增max1技能预制件并优化现有攻击技能参数

1. 为atk系列技能预制件新增forceStartX、forceStartY、summon_count、height_offset属性
2. 统一调整多个fb攻击预制件的缩放、尺寸、填充模式参数
3. 修正fb-1技能的召唤数量为1
4. 新增max1大招技能预制件及对应的meta配置文件
5. 修复fb-2动画剪辑的名称和关键帧浮点精度

assets/resources/game/skill/atk/fb-1.prefab

@@ -108,8 +108,8 @@
     },
     "_lscale": {
       "__type__": "cc.Vec3",
-      "x": -0.5,
-      "y": 0.5,
+      "x": -1,
+      "y": 1,
       "z": 1
     },
     "_mobility": 0,
@@ -136,8 +136,8 @@
     },
     "_contentSize": {
       "__type__": "cc.Size",
-      "width": 85,
-      "height": 119
+      "width": 20,
+      "height": 30
     },
     "_anchorPoint": {
       "__type__": "cc.Vec2",
@@ -178,7 +178,7 @@
     },
     "_type": 0,
     "_fillType": 0,
-    "_sizeMode": 1,
+    "_sizeMode": 0,
     "_fillCenter": {
       "__type__": "cc.Vec2",
       "x": 0,
@@ -225,8 +225,8 @@
     },
     "_contentSize": {
       "__type__": "cc.Size",
-      "width": 30,
-      "height": 50
+      "width": 20,
+      "height": 20
     },
     "_anchorPoint": {
       "__type__": "cc.Vec2",
@@ -260,7 +260,8 @@
     "distance": 0,
     "forceStartX": -1,
     "forceStartY": -1,
-    "summon_count": 3,
+    "summon_count": 1,
+    "height_offset": 0,
     "_id": ""
   },
   {
@@ -326,8 +327,8 @@
     },
     "_size": {
       "__type__": "cc.Size",
-      "width": 30,
-      "height": 50
+      "width": 20,
+      "height": 100
     },
     "_id": ""
   },