[grilo-plugins] README: Convert README to Markdown

[Bastien Nocera <hadess src gnome org>]

commit 8863cb52f4cd8dc3e8914760b8a9538b496d0b77
Author: Roger <sachanroger gmail com>
Date:   Wed Sep 4 11:10:28 2019 +0000

    README: Convert README to Markdown

 README    | 38 --------------------------------------
 README.md | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+), 38 deletions(-)
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+# grilo-plugins
+Thanks for using Grilo!
+
+## What is Grilo?
+Grilo is a framework for browsing and searching media content from various
+sources using a single API.
+
+## What is grilo-plugins?
+It is a collection of plugins for Grilo implementing Grilo's API for various
+multimedia content providers.
+
+## Where can I find more?
+We have a wiki page at: <https://wiki.gnome.org/Projects/Grilo>
+
+You can subscribe to our mailing list: <http://mail.gnome.org/mailman/listinfo/grilo-list>
+
+You can join us on the IRC: #grilo on GIMPNet
+
+## How do I start?
+If you are asking this then you should probably be reading Grilo's README
+file first :)
+
+## Building from git
+Make sure you have Grilo installed first! If you do then:
+
+```bash
+$ git clone https://gitlab.gnome.org/GNOME/grilo-plugins.git
+$ cd grilo-plugins
+$ meson . build
+$ ninja -C build
+$ sudo ninja -C build install
+```
+
+Enjoy!
\ No newline at end of file