Replaced LICENSE.md with official Markdown GPL from
https://www.gnu.org/licenses/gpl-3.0.md

Would love to keep using gtk4, but we can't get it into 3.36 otherwise.

Fixes #3

icon: new app icon

Closes #6

See merge request GNOME/gnome-tour!7

Last page: illustration

Closes #7

See merge request GNOME/gnome-tour!6

Created in collaboration with Sam Hewitt.

Fixes https://gitlab.gnome.org/GNOME/gnome-tour/issues/6

Provide a fun engaging closure to the guide.

Things left to do:

- adjust wording
- set background class to .last-page for the style to work

Fixes https://gitlab.gnome.org/GNOME/gnome-tour/issues/7

ci: update to use the CI Template

Closes #5

See merge request GNOME/gnome-tour!4

https://gitlab.gnome.org/GNOME/Initiatives/wikis/DevOps-with-Flatpak

Close #5

fixes #2

Minor tweaks

See merge request bilelmoussaoui/gnome-tour!2

assets: proper unified scale

See merge request bilelmoussaoui/gnome-tour!1

- scaled up all assets for them to render sharp
- unified the sizing so they don't jump around
- unified stroke sizes
- optimized with SVGO

original assets to create derivatives are at
https://gitlab.gnome.org/Teams/Design/os-mockups/tree/master/greeter/assets