[gnome-sdk-images/gnome-3-30] This is deprecated

[Mathieu Bridon <mbridon src gnome org>]

commit 05345ce8905cbddfb393bff038b8c81479c06855
Author: Mathieu Bridon <bochecha daitauha fr>
Date:   Sun Oct 14 19:10:26 2018 +0200

    This is deprecated

 Makefile                          |   47 -
 README.md                         |    8 +
 dconf-override.patch              |   23 -
 ibus-disable-docs.patch           |   42 -
 ibus-portal.patch                 | 1695 -------------------------------------
 issue.in                          |    1 -
 issue.net.in                      |    1 -
 org.gnome.Platform.appdata.xml.in |   13 -
 org.gnome.Sdk.appdata.xml.in      |   13 -
 org.gnome.Sdk.json.in             |  834 ------------------
 os-release-configure              |   17 -
 os-release.in                     |    4 -
 vala-no-valadoc.patch             |   54 --
 yelp-use-in-sandbox.patch         |   46 -
 14 files changed, 8 insertions(+), 2790 deletions(-)
---
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..172e51b
--- /dev/null
+++ b/README.md
@@ -0,0 +1,8 @@
+This repository is semi-deprecated.
+
+Branches master and 3.30 of org.gnome.Sdk are now maintained over at
+[gnome-build-meta](https://gitlab.gnome.org/GNOME/gnome-build-meta), and all
+future branches will be maintained there.
+
+Only the branches < 3.30 are still maintained here. You can find them in the
+corresponding Git branches.