[yocto] [psplash][PATCH 3/3] README: add "Contributing" guideline

[Richard Leitner]

The "Contributing" guideline section should help people sending their
patches correctly.

A similar section is available in nearly all
layers/repositories hosted on yoctoproject.org. Therefore add it also
the the psplash repository.

Signed-off-by: Richard Leitner <richard.leitner at skidata.com>
---
 README | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/README b/README
index 86ef6ba..8779a38 100644
--- a/README
+++ b/README
@@ -8,3 +8,21 @@ rotation. Its visual look is configurable by basic source changes.
 
 Also included is a 'client' command utility for sending information to
 psplash such as boot progress information.
+
+Contributing
+============
+To contribute to this layer you should submit the patches for review to the
+mailing list (yocto at yoctoproject.org).
+
+Please refer to
+    http://openembedded.org/wiki/Commit_Patch_Message_Guidelines
+for some useful guidelines to be followed when submitting patches.
+
+Mailing list:
+    https://lists.yoctoproject.org/listinfo/yocto
+
+When creating patches, please use something like:
+    git format-patch -M -s --subject-prefix='psplash][PATCH' origin
+
+When sending patches, please use something like:
+    git send-email --to yocto at yoctoproject.org <generated patch>
-- 
2.1.4