Selkies

Notable changes
- Update gstreamer to v1.20 31
- Enable `do-nack` to reduce stream freezing on packet loss. 31
- Default coturn-web TURN URIs to use `?transport=tcp` to enable connections on networks with blocked UDP.
- Fix overflow issues on HiDPI screens. 33

New Dependencies
- Need to apt-get install x264 in target images to use software encoder.
- On Ubuntu 18.04, need to install libjpeg-dev zlib1g-dev for remote-cursor support with Python Pillow package.
- Manual installation of python-xlib to support remote cursors:
bash
pip3 install -e git+https://github.com/selkies-project/python-xlib.gitadd-xfixes-cursor#egg=python-xlib

New Features:
- Tutorial for GKE deployment for TURN infrastructure and example app.
- Improvements to coturn-web image to support integration with selkies-vdi.

Other fixes:
- Fix remote resize option not being persisted.

Minor fixes:
- include existing LD_LIBARARY_PATH and GI_TYPELIB_PATH in gst-env script
- fix broken path handler to prefixed /signalling/ route

Notable Changes:
- Fix broken ubuntu18.04 gstreamer assets.

Notable Changes:
- Support for Ubuntu 18.04 and 20.04.
- New release asset naming convention and docker image tags.

- [python] add support for legacy non-HMAC credentials
- [turn gcp] save shared secret to Secret Manager
- [example] fix env vars for startup and audio support in entrypoint script