[libshumate] Add basic README

[Marcus Lundblad <mlundblad src gnome org>]

commit ad9c82dab575a8b73d872f0dee4fed3ac6fbea75
Author: Marcus Lundblad <ml update uu se>
Date:   Thu Aug 13 22:46:49 2020 +0200

    Add basic README

 README | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
---
diff --git a/README b/README
new file mode 100644
index 0000000..59779d8
--- /dev/null
+++ b/README
@@ -0,0 +1,24 @@
+libshumate
+==========
+
+libshumate is a GTK4 widget to display maps.
+
+libshumate requires:
+
+   * glib >= 2.16
+   * gio >= 2.16
+   * gobject >= 2.16
+   * gobject-introspection >= 0.6.3
+   * cairo >= 1.4
+   * sqlite3 >= 1.12.0
+   * libsoup > 2.42
+   * gtk4
+
+Building is done with meson.
+
+The official website is:
+   https://wiki.gnome.org/Projects/libshumate
+
+Bugtracker:
+   https://gitlab.gnome.org/GNOME/libshumate/-/issues
+