[simple-scan] Update documentation to be able to build with GNOME 40

[Bartosz <bkosiorek src gnome org>]

commit b00b48646ac9358fdbebf8963dc8c8cdf64c1c21
Author: Bartosz Kosiorek <gang65 poczta onet pl>
Date:   Tue Feb 23 14:01:13 2021 +0100

    Update documentation to be able to build with GNOME 40

 .README.md.swp       | Bin 0 -> 20480 bytes
 README.md            |   8 +++++---
 subprojects/libhandy |   1 +
 3 files changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/.README.md.swp b/.README.md.swp
new file mode 100644
index 00000000..69b95291
Binary files /dev/null and b/.README.md.swp differ
diff --git a/README.md b/README.md
index 7516452d..7b6e8ee3 100644
--- a/README.md
+++ b/README.md
@@ -26,17 +26,19 @@ Install the dependencies
 
 For Ubuntu/Debian:
 ```
-$ sudo apt install git meson valac libgtk-3-dev libgusb-dev libcolord-dev libpackagekit-glib2-dev 
libwebp-dev libsane-dev gettext itstool
+$ sudo apt install -y meson valac gcc gettext itstool gobject-introspection libfribidi-dev 
libgirepository1.0-dev libgtk-3-dev libgusb-dev libcolord-dev libpackagekit-glib2-dev libwebp-dev libsane-dev 
git ca-certificates
+
 ```
 
 For Fedora:
 ```
-$ sudo dnf install -y meson vala gettext itstool gtk3-devel libgusb-devel colord-devel PackageKit-glib-devel 
libwebp-devel sane-backends-devel
+$ sudo dnf install -y meson vala gettext itstool fribidi-devel gtk3-devel gobject-introspection-devel 
libgusb-devel colord-devel PackageKit-glib-devel libwebp-devel sane-backends-devel git
 ```
 
 For Arch Linux:
 ```
-sudo pacman -S meson vala gettext itstool gtk3 libusb colord libpackagekit-glib libwebp sane
+sudo pacman -S meson vala gettext itstool fribidi gtk3 gobject-introspection libgusb colord libwebp sane git
+
 ```
 
 Get the source:
diff --git a/subprojects/libhandy b/subprojects/libhandy
new file mode 160000
index 00000000..b35324b8
--- /dev/null
+++ b/subprojects/libhandy
@@ -0,0 +1 @@
+Subproject commit b35324b8549294759d32dd425ad1588017c252a8