MAINTAINERS: add myself to documentation section

Signed-off-by: Lou Logan <lou@lrcd.com>

MAINTAINERS

@@ -39,7 +39,7 @@ QuickTime faststart:
 Miscellaneous Areas
 ===================
 
-documentation                           Stefano Sabatini, Mike Melanson, Timothy Gu, Lou Logan
+documentation                           Stefano Sabatini, Mike Melanson, Timothy Gu, Lou Logan, Gyan Doshi
 project server                          Árpád Gereöffy, Michael Niedermayer, Reimar Doeffinger, Alexander Strasser, Nikolay Aleksandrov
 presets                                 Robert Swain
 metadata subsystem                      Aurelien Jacobs