Add related projects

[teowoz]

I propose to add a section with related projects in README.md.

I'm developing an open source reverse-engineered unofficial Dante implementation - Inferno. Currently it emulates Dante receiver and can be used for recording audio.

The earliest public attempt of reverse engineering Dante is wycliffe. I haven't tried running it, but looks like it implements requesting subscriptions from Dante devices. It probably won't be visible in Dante Controller.

dante-aes67-relay.js - this small Node.js program relays a Dante multicast stream to AES67

I couldn't find any other open source projects related to Dante, but many Dante devices are AES67-compatible, so this list of AES67 audio resources could be linked to as well.