Vnet-manager

Very small patch release to fix an issue with a new urlib v2 incompatibility on Ubuntu 20.04

This release brings improvements to the TCPdump sniffers.
The example configs for FRR have been moved to the unified config format, this brings no functional changes to the examples.

Changes;
- Update README (https://github.com/Erik-Lamers1/vnet-manager/pull/55)
- Move to unified FRR config (https://github.com/Erik-Lamers1/vnet-manager/pull/56)
- Check for lingering sniffers at the end of stop action (https://github.com/Erik-Lamers1/vnet-manager/pull/57)
- Create pcap files with timestamp (https://github.com/Erik-Lamers1/vnet-manager/pull/58)
- Also start sniffers on veth interfaces (https://github.com/Erik-Lamers1/vnet-manager/pull/59)

Small patch release

Changes;
- Silence ws4py logging errors (https://github.com/Erik-Lamers1/vnet-manager/pull/52)
- Silence PyLXD attribute UserWarnings (https://github.com/Erik-Lamers1/vnet-manager/pull/53)
- Bring back version action (https://github.com/Erik-Lamers1/vnet-manager/pull/54)

Whoo, release 1.0.0. This major release brings some *minor* breaking changes;

Breaking changes;
- `destroy` action now has dedicated options for --purge and --clean, `clean` option removed (https://github.com/Erik-Lamers1/vnet-manager/pull/47)
- Deprecated `list` to `show` conversion removed (https://github.com/Erik-Lamers1/vnet-manager/pull/49)

New features;
- Reworked argparser menu with individual help per option (https://github.com/Erik-Lamers1/vnet-manager/pull/47)
- Add `connect` option (https://github.com/Erik-Lamers1/vnet-manager/pull/46)

New;
- Add Ubuntu 22.04 support 44

Changes;

- Cleanup also destroys base image automatically 41
- Don't error out on untested system env 42
- Python 3.10 support on testing 43

New support:

Add avahi to container packages (35 )
This will add mDNS support to the containers local network.