start adding other packages sources

- adding sources for cargo, npm and go source packages

vars/main.yml

@@ -4,6 +4,7 @@ packages: []
 syspkgs: []
 srcpkgs: []
 caskpkgs: []
+cargopkgs: []
 assume_missing_is_syspkg: false
 install_state: present
 full_upgrade: false