Inbox Layout for Gmail

Making Gmail look more like Inbox

- Emulates the layout of Inbox in Gmail
- Works with the latest Gmail UI (late 2018)
- Works with all Gmail inbox configurations (priority inbox, tabs, preview pane)
- Plays nice with Gmail themes (backgrounds / styles from the settings cog)
- Plays nice with Gmail plugins and labs

Updated Oct 2024
- Plays nice with Chat UI
- implements manifest v3
- minor tweaks to UI (logo colour, search bar positioning)