Docker files for convenience of Nimble Streamer usage.

macos-srt/Dockerfle creates container with Nimble Streamer and SRT package, read "Install Nimble Streamer with SRT on MacOS using Docker" (https://blog.wmspanel.com/2020/08/nimble-streamer-srt-docker-macos.html) for more details.

arm64-m1-m2/Dockerfile - Dockerfile for arm64 working with MacOS on M1 and M2

ubuntu-22.04-with-ssl/Dockerfile - Dockerfile for installing Nimble with SSL support