Add Epson Perfection V550 plugin

[FakeShemp]

No description provided.

[flathubbot]

🚧 Test build enqueued.

[flathubbot]

🚧 Started test build.

[FakeShemp]

@Operius73 Please test this and see if it works with your V550.

[Operius73]

@Operius73 Please test this and see if it works with your V550.

I have no idea how this works.
What do you want me to test?
I'm not seeing any file.

[flathubbot]

✅ Test build succeeded. To test this build, install it from the testing repository:

flatpak install --user https://dl.flathub.org/build-repo/213092/com.hamrick.VueScan.flatpakref

[Operius73]

✅ Test build succeeded. To test this build, install it from the testing repository:

flatpak install --user https://dl.flathub.org/build-repo/213092/com.hamrick.VueScan.flatpakref

I uninstalled Vuescan from flathub and deleted all leftover files, and than installed the testing version ofVuescan.
But still no luck.