Mobile support

[sprocketc]

Now that we minimized the need of electron by using web APIs, we should complete mobile support by

• showing several panel within drawers to make them usable
• creating a bottom navigation bar to toggle those drawers
• finding a way to expose the edit/context menu action
• disabling autofocus on color pickers
• Merge document tabs and document actions
• enhancing gesture handling on canvas
• enhancing pwa support
• investigating wrapping the app with capacitor