Release v0.1.15

What's Changed

** Qwen3-coder improvements #62 (done)
** Wire in claude code style todo lists #23 (done)
** More branding: #8 (done)
** Fix Webfetch #75 (done)
** Qwen3-coder on Fireworks is Fixed #69 (done)
*** note there may still be problems where fireworks seems to cut the stream. I wasn't able to reproduce after the morning.
** Document MH (Grok) Document how to use the MH (Grok) models. #70 (done)

Full Changelog: v0.1.14...v0.1.15