v0.3.0

What's Changed

• fix import from postman by @mirzakhany in #92
• fix theme switcher by @mirzakhany in #93
• show start up error by @mirzakhany in #95
• fix loading the preferences on startup by @mirzakhany in #97
• set theme to selected one on workspace switch by @mirzakhany in #98

Full Changelog: v0.2.9...v0.3.0