ci: use flutter distributor (#313)

ui/flutter/linux/packaging/rpm/make_config.yaml

@@ -0,0 +1,24 @@
+display_name: Gopeed
+icon: assets/icon/icon_1024.png
+summary: A modern download manager that supports all platforms. Built with Golang and Flutter.
+group: Applications/Internet
+vendor: monkeyWie
+packager: madoka773
+packagerEmail: [email protected]
+license: GPL-3.0-or-later
+url: https://github.com/GopeedLab/gopeed
+
+description: A modern download manager that supports all platforms. Built with Golang and Flutter.
+keywords:
+  - Application
+  - DownloadManager
+  - Network
+  - Utility
+
+generic_name: Download Manager
+
+categories:
+  - Network
+  - Utility
+
+startup_notify: true