feat(skill): add 4 new projectile skill configs and assets

新增了暗影术、光波、能量波、毒气弹四个远程技能配置，同时添加了对应的range2、range3攻击预制件与动画元文件，补充完整技能资源与配置表。

assets/resources/game/skill/anm/atk/range2.anim.meta

@@ -0,0 +1,13 @@
+{
+  "ver": "2.0.3",
+  "importer": "animation-clip",
+  "imported": true,
+  "uuid": "cb225ade-8b82-4bd0-913c-1f4b9cf8690a",
+  "files": [
+    ".cconb"
+  ],
+  "subMetas": {},
+  "userData": {
+    "name": "range2"
+  }
+}

assets/resources/game/skill/anm/atk/range3.anim.meta

@@ -0,0 +1,13 @@
+{
+  "ver": "2.0.3",
+  "importer": "animation-clip",
+  "imported": true,
+  "uuid": "9e3cd340-acbc-409e-9ceb-ca4678ecaea4",
+  "files": [
+    ".cconb"
+  ],
+  "subMetas": {},
+  "userData": {
+    "name": "range3"
+  }
+}