feat: Set macOS window title

Author: hacker1024

macos/Runner/Info.plist

@@ -13,7 +13,7 @@
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>
-	<string>$(PRODUCT_NAME)</string>
+	<string>Pandora JSON API Decrypter</string>
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>