chore: initialize standalone UPM package

package.json

@@ -0,0 +1,24 @@
+{
+  "name": "com.cneicy.shrink-command-integration-eventbus",
+  "version": "0.1.1",
+  "displayName": "ShrinkCommand - EventBus Integration",
+  "description": "ShrinkCommand 与 ShrinkEventBus 的桥接层，支持事件请求执行命令，以及命令执行生命周期事件发布。",
+  "unity": "2022.3",
+  "dependencies": {
+    "com.cneicy.shrink-command": "0.2.0",
+    "com.cneicy.shrink-context-core": "0.1.0",
+    "com.cneicy.shrink-eventbus": "2.0.0"
+  },
+  "keywords": [
+    "command",
+    "eventbus",
+    "integration",
+    "bridge"
+  ],
+  "author": {
+    "name": "cneicy",
+    "url": "https://git.crash.work/ShrinkSDK"
+  },
+  "documentationUrl": "https://git.crash.work/ShrinkSDK/ShrinkCommand.Integration.EventBus",
+  "changelogUrl": "https://git.crash.work/ShrinkSDK/ShrinkCommand.Integration.EventBus/src/branch/main/CHANGELOG.md"
+}