playbook: Copy re6stnet.yml to vifib-re6stnet.yml

  The existing configuration is specific to vifib so keep it separated.

playbook/vifib-re6stnet.yml

+- name: a play that runs entirely on the ansible host
+  hosts: 127.0.0.1
+  connection: local
+
+  vars_files:
+    - settings/vifib.yml
+
+  vars:
+    - re6sttoken: noname 
+
+  vars_prompt:
+    - name: "computer_name"
+      prompt: "Please insert your email or a name of this computer:"
+      private: no
+      default: "noname"
+
+  roles:
+    - { role: re6stnet, package_state: present }
+