v1.2.0

- Add SSH options to support deprecated sha1 in openssh8.8
- Add shell.nix and flake.nix for easy development with nix

Build restream.rs binary

First release 🎉

The first official reStream release. A small list of features:
- low-latency streaming of the reMarkable framebuffer
- support for reMarkable version 1️⃣ and 2️⃣
- POSIX shell on host machine supporting linux, mac and windows
- Rust executable on reMarkable