i-11 Added task for formating the yaml code base (#13)

# Context

This PR implements the following [issue](#11).

# Acceptance criteria
- [x] A build automation rule for formatting YAML code via `yamlfix` has been introduced.
- [x] `README.md` has been updated with the correct command for formatting code.

Co-authored-by: emo <esimeonov@gmail.com>
Reviewed-on: #13

README.md

@@ -131,6 +131,8 @@ a container hypervisor.
 4. Python 3 has been set up correctly on the machine.
 5. [Pipenv](https://github.com/pypa/pipenv) has been installed on the machine.
 6. [git](https://git-scm.com/) has been installed on the machine.
+7. [Task](https://github.com/go-task/task) has been installed and has been
+available in the `$PATH` environment variable for the current user.
 
 ### Initialize collection project locally
 
@@ -188,7 +190,7 @@ cd test_linux_containers
 Format all YAML documents.
 
 ```
-yamlfix .
+task format-yml
 ```
 
 ## Execute Ansible Molecule scenarios

Taskfile.yml

@@ -0,0 +1,5 @@
+---
+version: '3'
+tasks:
+  format-yml:
+    cmds: [yamlfix .]