Add dotnet csharpier support

Author: kstjxy

.config/dotnet-tools.json

@@ -0,0 +1,13 @@
+{
+  "version": 1,
+  "isRoot": true,
+  "tools": {
+    "csharpier": {
+      "version": "0.28.2",
+      "commands": [
+        "dotnet-csharpier"
+      ],
+      "rollForward": false
+    }
+  }
+}

Demo/API_V2/ProjectSettings/PackageManagerSettings.asset

@@ -9,9 +9,9 @@ MonoBehaviour:
   m_GameObject: {fileID: 0}
   m_Enabled: 1
   m_EditorHideFlags: 0
-  m_Script: {fileID: 13964, guid: 0000000000000000e000000000000000, type: 0}
+  m_Script: {fileID: 0}
   m_Name: 
-  m_EditorClassIdentifier: 
+  m_EditorClassIdentifier: UnityEditor.CoreModule:UnityEditor.PackageManager.UI.Internal:PackageManagerProjectSettings
   m_EnablePreReleasePackages: 0
   m_AdvancedSettingsExpanded: 1
   m_ScopedRegistriesSettingsExpanded: 1
@@ -31,6 +31,6 @@ MonoBehaviour:
   m_RegistryInfoDraft:
     m_Modified: 0
     m_ErrorMessage: 
-    m_UserModificationsInstanceId: -842
-    m_OriginalInstanceId: -844
+    m_UserModificationsInstanceId: -3336
+    m_OriginalInstanceId: -3338
   m_LoadAssets: 0

package.json

@@ -7,7 +7,8 @@
     "test": "echo \"Error: no test specified\" && exit 1",
     "docs:dev": "vitepress dev .config",
     "docs:build": "vitepress build .config",
-    "docs:preview": "vitepress preview .config"
+    "docs:preview": "vitepress preview .config",
+    "format": "dotnet csharpier ."
   },
   "author": "Wechat MiniGame Team",
   "license": "MIT",