[gedit] readme: install from git versus from a tarball, wrt deps

[Sébastien Wilmet <swilmet src gnome org>]

commit 156ca5be22b3d2a0ab0472122c14f81e494b6ea7
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Tue Aug 27 18:55:26 2019 +0200

    readme: install from git versus from a tarball, wrt deps

 README.md | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)
---
diff --git a/README.md b/README.md
index b8117979e..57b072002 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,15 @@ Installation
 
 gedit uses the [Meson](https://mesonbuild.com/) build system.
 
-Simple install procedure:
+### Installation from Git
+
+During gedit development, gedit may depend on a development version of a GNOME
+dependency. To install gedit plus its GNOME dependencies all from Git, see the
+file `docs/gedit-development-getting-started.md`.
+
+### Installation from a tarball for a stable version
+
+Simple procedure to install gedit onto the system:
 
 ```
 $ meson builddir && cd builddir # Build configuration
@@ -45,6 +53,8 @@ $ ninja                         # Build
 $ ninja install                 # Installation
 ```
 
+If certain dependencies are too old, see the procedure to install from Git.
+
 How to report bugs
 ------------------