chore: Add iosApp scheme to Xcode project management

- Updated `xcschememanagement.plist` to include the `iosApp.xcscheme` with an initial order hint of 0.

Author: softartdev

sample/iosSample/iosApp.xcodeproj/xcuserdata/artur.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -3,6 +3,12 @@
 <plist version="1.0">
 <dict>
 	<key>SchemeUserState</key>
-	<dict />
+	<dict>
+		<key>iosApp.xcscheme</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+	</dict>
 </dict>
 </plist>