dodeca v0.6.0

What's Changed

• Add HTTP dev server as rapace plugin by @fasterthanlime in #134
• refactor: use rapace macro-generated clients with RpcSession by @fasterthanlime in #135
• docs: document rapace plugin directory structure by @fasterthanlime in #141
• fix: improve code sample execution reporting by @fasterthanlime in #142
• feat: complete architecture overhaul - Rapace plugins, SHM hub, Picante migration by @fasterthanlime in #145
• refactor: upgrade to rapace RPC and overhaul testing infrastructure by @fasterthanlime in #157

Full Changelog: v0.5.0...v0.6.0