v0.4

What's Changed

• Introduce settings by @Otacon in #8
• Restructuring package structure by @Otacon in #9
• App state handling by @Otacon in #10
• Replace DIO with plain HTTP client by @Otacon in #11
• Refactor state by @Otacon in #12
• Remove onboarding by @Otacon in #13
• Added about dialog by @Otacon in #14
• Bug fixes by @Otacon in #15
• Adds new icon by @Otacon in #16
• Add firebase by @Otacon in #17
• Keep completion history by @Otacon in #18
• Tweaks and bug fixes by @Otacon in #19
• Add getting started by @Otacon in #20
• Adds blog post and screenshots by @Otacon in #21

Full Changelog: v0.3...v0.4