Add client_print_color native (CS only) (bug 5823, r=Nextra)

Former-commit-id: 9e37c60bc543676cbd659621a129bd953fc71473

plugins/include/amxconst.inc

@@ -175,6 +175,14 @@ enum {
 	print_center,
 };
 
+/* Color types for client_print_color() */
+enum {
+	print_team_default = 0,
+	print_team_grey = -1,
+	print_team_red = -2,
+	print_team_blue = -3,
+};
+
 /* Destination types for engclient_print() */
 enum {
 	engprint_console = 0,