README: add generic maintenance section copied from meta-agl-core

Yocto Project compatibility requires README to specify who is the layer
maintainer and how to contribute to the layer. Otherwise yocto-check-layer
fails:

INFO: test_readme (common.CommonCheckLayer)
INFO:  ... FAIL
AssertionError: 'maintainer' not found in 'README'
AssertionError: 'patch' not found in 'README'

Bug-AGL: SPEC-4685
Change-Id: I0ca1feba1b2d56e1780c6e05c92a2b27792f6cb0
Signed-off-by: Denys Dmytriyenko <denys@konsulko.com>

diff --git a/meta-agl-demo.md b/meta-agl-demo.md
index 35d6421..521ebad 100755 (executable)
--- a/meta-agl-demo.md
+++ b/meta-agl-demo.md
@@ -104,3 +104,13 @@ dependencies:
   - URI: https://gerrit.automotivelinux.org/gerrit/gitweb?p=AGL/meta-agl.git
   - Branch: "master"
 
+## Maintenance
+
+All patches must be submitted via the AGL Gerrit instance at
+<https://gerrit.automotivelinux.org>.  See this wiki page for
+details:
+
+<https://wiki.automotivelinux.org/agl-distro/contributing>
+
+Layer maintainers:
+* Jan-Simon Möller <jsmoeller@linuxfoundation.org>