Preliminary Opus file support

Currently has noise issues and plays fast - not for use yet.

Signed-off-by: Mahyar Koshkouei <deltabeard@users.noreply.github.com>

source/main.c

@@ -145,6 +145,10 @@ int main(int argc, char **argv)
 							playFlac(file);
 							break;
 
+						case FILE_TYPE_OPUS:
+							playOpus(file);
+							break;
+
 						default:
 							printf("Unsupported File type.\n");
 					}