Fix iCloud support

SFM.System/SFM.entitlements

@@ -2,12 +2,24 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>com.apple.developer.icloud-container-identifiers</key>
+	<array>
+		<string>iCloud.io.nekohasekai.sfa</string>
+	</array>
+	<key>com.apple.developer.icloud-services</key>
+	<array>
+		<string>CloudDocuments</string>
+	</array>
 	<key>com.apple.developer.networking.networkextension</key>
 	<array>
 		<string>packet-tunnel-provider-systemextension</string>
 	</array>
 	<key>com.apple.developer.system-extension.install</key>
 	<true/>
+	<key>com.apple.developer.ubiquity-container-identifiers</key>
+	<array>
+		<string>iCloud.io.nekohasekai.sfa</string>
+	</array>
 	<key>com.apple.security.app-sandbox</key>
 	<true/>
 	<key>com.apple.security.application-groups</key>