DOCS: add some hints to the new examples repository

DOCS/libmpv-client-api.rst

@@ -0,0 +1,14 @@
+Client API (libmpv) documentation and examples
+==============================================
+
+libmpv lets you embed mpv as a library. It is meant to enable development of
+GUI frontends.
+
+Since libmpv merely allows access to underlying mechanisms that can control
+mpv, documentation is spread over a few places:
+
+- https://github.com/mpv-player/mpv/blob/master/libmpv/client.h
+- http://mpv.io/manual/master/#options
+- http://mpv.io/manual/master/#list-of-input-commands
+- http://mpv.io/manual/master/#properties
+- https://github.com/mpv-player/mpv-examples/tree/master/libmpv

libmpv/client.h

@@ -63,7 +63,8 @@ extern "C" {
  *      * http://mpv.io/manual/master/#list-of-input-commands
  *      * http://mpv.io/manual/master/#properties
  *
- * You can also look at the examples in DOCS/client_api_examples/.
+ * You can also look at the examples here:
+ *      * https://github.com/mpv-player/mpv-examples/tree/master/libmpv
  *
  * Event loop
  * ----------