v0.3.0-preview4

This is one of our biggest releases yet! Highlights include:

1. Improved landing pages (#522), by @sipmann.
   BaGet is now a little more welcoming: you'll be greeted by landing pages that help you upload your first package 😎

2. Added missing framework search filters (#527), by @SeppPenner
   Need to filter to .NET Core 3.0 or .NET Framework 4.8 packages? We've got you covered! 🔎

3. Track code coverage (#452), by @MarkZither
   This lets us identify test gaps and further improve BaGet 💪

4. Support configurable URLs (#525), by @SeppPenner.
   BaGet can now listen to different ports and addresses! 🚀

5. Improvements to BaGet.Protocol (#470, #471, #476, #481, #516)
   Need to interact with a NuGet server? BaGet.Protocol is now even easier to use! 😀

This release includes several bug fixes:

• Fix request pipeline for custom PathBase settings (#495), by @daniel-lerch
• Fix package last updated date (#491), by @euantorano
• Normalize icon entry path prior to extraction (#517), by @joelverhagen
• Ensure the registration index is sorted by version (#535), by @chaghi

We also had lots of contributions from lots of contributors:

• Allow maximum published package size to be configured when using IIS (#473), by @RichardSinden
• Let environment variables overwrite configuration file settings in case of ambiguity (#501), by @jeroenlandheer
• Update dependencies (#507)
• Refactor BaGet's architecture (#508)
• Improve readme (#524), by @SeppPenner
• Update frontend dependencies (#532), by @SeppPenner
• Fixed copyright year on the documenation page. (#536), by @SeppPenner
• Update the bindings in docker quickstart (#539) , by @otsenkun

Thanks everyone for all your hard work! 🥳