[gnome-software: 6/6] Merge branch 'shell-refactor' into 'master'

[Philip Withnall <pwithnall src gnome org>]

commit 0da3a78a161f002f55be14c21f8496b0c566a6e9
Merge: c8e5ca619 81ae5afed
Author: Philip Withnall <philip tecnocode co uk>
Date:   Fri Jun 11 14:44:55 2021 +0000

    Merge branch 'shell-refactor' into 'master'
    
    Refactor the shell
    
    Closes #1219
    
    See merge request GNOME/gnome-software!711

 src/gs-shell.c       |  147 +++++---
 src/gs-shell.ui      | 1004 ++++++++++++++++++++++++++++----------------------
 src/gtk-style-hc.css |    6 +
 src/gtk-style.css    |    6 +
 4 files changed, 670 insertions(+), 493 deletions(-)
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