mp4v2: add maintainer

add

pkgs/development/libraries/mp4v2/default.nix

@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
       This container format is derived from Apple's QuickTime format.
     '';
     homepage = https://code.google.com/archive/p/mp4v2/;
-    maintainers = [ ];
+    maintainers = [ lib.maintainers.Anton-Latukha ];
     platforms = lib.platforms.unix;
     license = lib.licenses.mpl11;
   };