Update readme file

README.md

 # Role Name
 
-Base role for every Kubernetes VM.
+Base role for Virtualmachines.
 It will install base packages, configures ssh and
 disables floppy, multipathd for vmware.
 
-## License
+## More info
 
-MIT
+Check out `meta/defaults.yml` for variables.
 
-## Author Information
+If you don't want to use the provided templates for ssh or netplan just change the `xy_file` variable and
+it will point to your playbooks template folder.
 
-KSZK
+## Playbooks using this role
+
+[Harbor](https://git.sch.bme.hu/kszk/sysadmin/kubernetes/harbor)  
+[K8S backup](https://git.sch.bme.hu/kszk/sysadmin/kubernetes/backup)  
+
+Add your playbook here!
+
+## Example
+
+`base.yaml` file:
+```yaml
+- hosts: harbor
+  become: true
+  roles:
+    - role: kszk.base
+  vars_files:
+    - "vars/base.yaml"
+```
+
+`vars/base.yaml` file:
+```yaml
+# KSZK Base role
+base_motd_playbook_url: https://git.sch.bme.hu/kszk/sysadmin/kubernetes/harbor
+base_hostname: harbor
+base_motd_text: "Harbor"
+
+base_users:
+  - name: rlacko
+    sudo: yes
+    passwordless_sudo: yes
+    ssh_key: https://git.sch.bme.hu/rlacko.keys
+
+base_ssh:
+  port: 10022
+  permitRootLogin: "no"
+  pubkeyAuthentication: "yes"
+  passwordAuthentication: "no"
+  allow:
+    users: "rlacko"
+```