* [cirque] Add cirque test for Linux

- Adds a zcl server for posix mock devices.
- Adds the dockerfile for integration into cirque.

* [cirque] Initial support for Cirque test

* Restyled by shellharden

* Restyled by shfmt

* Switch to flask

* Set a timeout in chip-tool to avoid infinity wait

Co-authored-by: Jiacheng Guo <gjc@google.com>
Co-authored-by: Restyled.io <commits@restyled.io>