feat: 添加多个Android应用模块及配置

添加多个Android应用模块(1xsands, toke66a, petronas777等)的基础配置
包括AndroidManifest.xml、build.gradle、资源文件和代码文件
实现Firebase消息服务、网络配置、主题样式等功能
添加.gitignore文件忽略build和release目录

1xsands/google-services.json

@@ -0,0 +1,29 @@
+{
+  "project_info": {
+    "project_number": "905177738214",
+    "project_id": "xsgd-b0ad7",
+    "storage_bucket": "xsgd-b0ad7.firebasestorage.app"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:905177738214:android:c3252140ede0027bf70427",
+        "android_client_info": {
+          "package_name": "com.xyz.xsgd1"
+        }
+      },
+      "oauth_client": [],
+      "api_key": [
+        {
+          "current_key": "AIzaSyDdzd2lTSj86yRmSfW2l0c7Ud5cJpk9BXg"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": []
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}