rpi v0.9.0

What's Changed

• Update weixin.png by @bigfish1913 in #101
• fix(cli): keep temporary model switches out of settings.json by @DavidHinton-xcpc in #100
• feat: prepare 0.9.0 runtime and performance updates by @bigfish1913 in #102
• chore(release): prepare 0.9.0 by @bigfish1913 in #103

Full Changelog: v0.8.5...v0.9.0