you can create the folder using the following depending on your ansible version.
Latest version 2<
- name: Create Folder
file:
path: "{{project_root}}/conf"
recurse: yes
state: directory
Older version:
- name: Create Folder
file:
path="{{project_root}}/conf"
recurse: yes
state=directory
Refer - http://docs.ansible.com/ansible/latest/file_module.html