+ sample configs for nginx-proxy lxc instance

+ site_name as general option for different lxc_host and site_name (personally used for vps deployment)
+ vps deploy script
+ node version manager install
+ php version setup vars moved into separate vars-file
+ ansible.cfg that helps to use local inventory and group_vars files
+ root account playbook

vars/system_users-example.yml

@@ -1,9 +1,9 @@
 system_users__groups:
-  - name: '{{ lxc_host }}'
+  - name: '{{ site_name }}'
     user: False
 
 system_users__accounts:
-  - name: '{{ lxc_host }}'
-    group: '{{ lxc_host }}'
+  - name: '{{ site_name }}'
+    group: '{{ site_name }}'
     admin: True
     shell: '/bin/bash'