feat(port): support Sway

[Hendrikto]

Description

This PR adds a port to the Sway Wayland compositor.

Assets

1. An image to the icon of the app that this port is related to:
2. A screenshot with a good zoom in fullscreen showing this port in action:

Checklist

• [X] PR description included
• [X] I've read the documents
• [X] I've created or commented in an issue related to this port asking to work on it
• [X] I know I shouldn't change any files in the packages folder manually
• [X] I've added this port at the end of the related category list in the main README
• [X] I've attached an image to the icon of the app that this port is related to
• [X] I've attached a screenshot with a good zoom in fullscreen showing this port in action

[daltonmenezes]

@Hendrikto

[Hendrikto]

Hey, I got sidetracked for a bit. Thanks for your patience. I think the PR should be ready to merge now.

[daltonmenezes]

Thanks @Hendrikto 💜