Add mpv configuration

Signed-off-by: Severin Kaderli <severin.kaderli@gmail.com>

system/.config/mpv/input.conf

@@ -0,0 +1,9 @@
+# Seek controls
+RIGHT seek  5
+LEFT  seek -5
+UP    seek  60
+DOWN  seek -60
+
+# Speed controls
++ add speed 0.1
+- add speed -0.1

system/.config/mpv/mpv.conf

@@ -0,0 +1,16 @@
+# Video settings
+fs=yes
+force-window=immediate
+
+# Cache
+cache-default=153600
+cache=153600
+cache-pause=no
+demuxer-readahead-secs=5.0
+cache-secs=0.0
+
+# Default subtitles
+slang=en
+
+# Default audio
+alang=en,de

system/.config/streamlink/config

@@ -9,6 +9,6 @@
 #
 # USAGE:
 # This file is automatically used by Streamlink.
-player=mplayer -cache 8192
+player=mpv
 player-no-close
 twitch-oauth-token=30ktx6jc273cdc9gmkb7jftny3vrgn