v1.3.0 - The "get me back to my Manga" update

Adds a button to get back to the manga from the Manga Reader View.
Also fixes a bug with the zoom functionality.

Yes, I will give every feature update stupid names.

What's Changed

• update flatpak files by @aless2003 in #96
• Back to manga feature + bugfixes by @aless2003 in #97

Full Changelog: v1.2.1...v1.3.0