Update README

Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>

README

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-OE layer for all in midlife crisis
-
-This layer depends on:
-
-URI: git://git.openembedded.org/openembedded-core
-branch: master
-revision: HEAD
-
-URI: git://git.openembedded.org/meta-openembedded
-branch: master
-revision: HEAD
-layers: meta-oe
-
-URI: git://git.openembedded.org/meta-openembedded
-branch: master
-revision: HEAD
-layers: meta-filesystems
-
-Layer maintainer: Andreas Müller <schnitzeltony@gmail.com>

README.md

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+OE layer for emulators and games from 8/16-bit era
+
+Layer dependencies:
+----------------------
+see [layer.conf](conf/layer.conf) for dependencies and https://layers.openembedded.org/layerindex/branch/master/layers/ where to find layers
+
+
+Contributing
+------------
+* Submit any patches against the `meta-retro` layer by using the GitHub pull-request feature.
+
+
+Policies
+--------
+* Please do not send private emails to maintainers. For questions/suggestions.. use GitHub issues.
+* Pull requests should follow [OE-Styleguide](https://www.openembedded.org/wiki/Styleguide) with the following additions:
+  * Use 4 spaces for indention always
+  * For splitting of long list values use four-space indentation on sucessive lines and prefer the closing quote as the first character ([OE-Styleguide](https://www.openembedded.org/wiki/Styleguide) - second example)
+  * Pull-requests with patches fixing issues for musl, clang or gold-linker are accepeted only with upstream-status "Applied" or "Backport"
+
+
+Maintainers
+-----------
+
+Layer maintainer: Andreas Müller <schnitzeltony@gmail.com>