Planet Quality Update 1

This is the first quality update for Planet. In this release, we focus on making the software more stable, easier to use, and cleaning up the underlying codebase.

- Download: [Planet 0.21.1](https://github.com/Planetable/Planet/releases/download/release-0.21.1/Planet.zip)

## New Welcome Screen

Upon starting the app, you will now see a new welcome screen that provides a brief introduction to the features. There's also a `Follow Featured` button to let you follow featured content sources.

<img width="1130" alt="planet-onboarding" src="planet-onboarding.png">

## Pixel Nomad

Pixel Nomad is a new site avatar set designed by Ann. You can click the smile face on the toolbar and select one as your site avatar.

<img width="2800" alt="pixel-nomad" src="pixel-nomad.png">

## Codebase

We addressed most compile warnings in the codebase and optimized the handling of some multithreaded scenarios. Overall, you should feel the app is more snappy.

Planet is an open-source native macOS app built with SwiftUI. If you are interested, here is our source code repo:

https://github.com/Planetable/Planet

## Miscellaneous Improvements

- Added icons for the most-used menu items when you right-click a Planet in the sidebar.
- Added a new form for setting `.well-known/farcaster.json` for Farcaster Mini App.
- Improved stability when handling sleep/awake.
- It is faster now to follow Planets with ENS addresses.
- ipfs2.eth.limo is removed as an option for a public gateway, as it is no longer working.
- Set the IPFS swarm connections to a lower value so the server uses fewer resources.
- Improved the process of IPFS garbage collection. Now it can release more storage from unfollowed content.
- Fixed an animation issue when dragging items into the Markdown writer window.