feat: make Unity integration optional

package.json

@@ -1,17 +1,15 @@
 {
   "name": "com.cneicy.shrink-eventbus",
-  "version": "2.2.2",
+  "version": "2.2.3",
   "displayName": "ShrinkEventBus",
   "description": "多 Bus、特性强类型注册、UniTask 调度与低分配发布的 Unity 事件总线。",
   "unity": "2022.3",
-  "documentationUrl": "https://git.crash.work/ShrinkSDK/ShrinkEventBus",
-  "changelogUrl": "https://git.crash.work/ShrinkSDK/ShrinkEventBus/src/branch/main/CHANGELOG.md",
-  "licensesUrl": "https://git.crash.work/ShrinkSDK/ShrinkEventBus/src/branch/main/LICENSE",
+  "documentationUrl": "https://github.com/cneicy/ShrinkEventBus",
+  "changelogUrl": "https://github.com/cneicy/ShrinkEventBus/blob/main/CHANGELOG.md",
+  "licensesUrl": "https://github.com/cneicy/ShrinkEventBus/blob/main/LICENSE",
   "dependencies": {
     "com.cysharp.unitask": "2.5.10",
-    "com.unity.nuget.mono-cecil": "1.11.4",
-    "com.cneicy.shrink-shared-codegen": "0.2.1",
-    "com.cneicy.shrink-runtime-abstractions": "0.1.0"
+    "com.unity.nuget.mono-cecil": "1.11.4"
   },
   "keywords": [
     "eventbus",
@@ -21,6 +19,6 @@
   ],
   "author": {
     "name": "cneicy",
-    "url": "https://git.crash.work/ShrinkSDK"
+    "url": "https://github.com/cneicy"
   }
 }