Added serialization C file as a dependency

meson.build

@@ -1,7 +1,8 @@
-project('Pong', 'cpp')
-add_global_arguments('-g', '-Wall', '-pedantic', '-Wno-unused-function', '-Werror', language : 'cpp')
+project('Pong', ['cpp', 'c'])
+add_global_arguments('-g', '-Wall', '-pedantic', '-Wno-unused-function', '-Werror', language : ['cpp', 'c'])
 raylib = dependency('raylib')
 executable('pong', 
 	'main.cpp', 'easysock.cpp', 'sock.cpp','paddle.cpp', 'ball.cpp', 'numeric_base.cpp', 'connect_code.cpp', 'server.cpp', 'client.cpp',
+	'serialization.c',
 	dependencies: raylib, 
 )