chore: initialize standalone UPM package

package.json

@@ -0,0 +1,25 @@
+{
+  "name": "com.cneicy.shrink-network-integration-app",
+  "version": "0.1.0",
+  "displayName": "ShrinkNetwork - App Integration",
+  "description": "ShrinkNetwork 与 ShrinkApp 的桥接层，把默认网络服务纳入统一宿主服务容器。",
+  "unity": "2022.3",
+  "dependencies": {
+    "com.cneicy.shrink-network": "0.2.0",
+    "com.cneicy.shrink-app-core": "0.1.1",
+    "com.cysharp.unitask": "2.5.10",
+    "com.cneicy.shrink-context-core": "0.1.0"
+  },
+  "keywords": [
+    "network",
+    "integration",
+    "app",
+    "rpc"
+  ],
+  "author": {
+    "name": "cneicy",
+    "url": "https://git.crash.work/ShrinkSDK"
+  },
+  "documentationUrl": "https://git.crash.work/ShrinkSDK/ShrinkNetwork.Integration.App",
+  "changelogUrl": "https://git.crash.work/ShrinkSDK/ShrinkNetwork.Integration.App/src/branch/main/CHANGELOG.md"
+}