fix typo in readme file + add sudo

README.md

@@ -12,7 +12,7 @@ Then you can access Roundcube from your computer on http://192.168.33.55
 
 
 ## Playbook
-The playbook includes nginx, php-fpm and mariadb roles and deploys entire stack needed to run Timetagger. Additional roles are also available in the Ansible roles repos in git.
+The playbook includes nginx role and deploys entire stack needed to run Timetagger. Additional role is also available in the Ansible roles repos in git.
 
 
 ## Create credentials

defaults/main.yml

@@ -8,6 +8,7 @@ timetagger_pkg:
   - virtualenv
   - python3-venv
 timetagger_pip_pkgs:
+  - sudo
   - setuptools
   - wheel
   - pip