feat: add QEMU interpreter path and update README

- Added `.vscode/settings.json` file with `ansible.python.interpreterPath` set to `/bin/python3`.
- Updated the `README.md` file to provide more information about QEMU and the `qemu-guest-agent`.

The changes in this commit improve the configuration of the project and enhance the documentation.

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "ansible.python.interpreterPath": "/bin/python3"
+}

README.md

@@ -2,12 +2,6 @@
 
 An [Ansible](https://www.ansible.com) role that detects QEMU and installs qemu-guest-agent on Linux when required on a qemu virtual machine.
 
-QEMU (Quick EMUlator) is a free and open-source emulator and virtualization software. Used by many popular virtualisation platforms such as [Proxmox](https://www.proxmox.com/en/), [VirtualBox](https://www.virtualbox.org/), [KVM](https://www.linux-kvm.org/page/Main_Page), [Xen](https://xenproject.org/), [OpenStack](https://www.openstack.org/) and more.
-
-The `qemu-guest-agent` is a helper daemon, which is installed on the guest (virtual machine). It is used to exchange information between the host and guest, and to execute commands in the guest.
-
-Packages installed:
-
 <p align="center">
 <a href="https://app.codacy.com/gh/dgibbs64/ansible-role-qemu_guest_agent"><img src="https://img.shields.io/codacy/grade/1a892d499efd4dabb73beffa8d64ed01?logo=codacy&style=flat-square" alt="Codacy grade"></a>
 <a href="https://github.com/dgibbs64/ansible-role-qemu_guest_agent/actions/workflows/molecule.yml"><img alt="GitHub Workflow Status" src="https://img.shields.io/github/actions/workflow/status/dgibbs64/ansible-role-qemu_guest_agent/molecule.yml?label=molecule&logo=ansible&style=flat-square"></a>
@@ -17,6 +11,12 @@ Packages installed:
 <a href="https://github.com/dgibbs64/ansible-role-qemu_guest_agent/blob/main/LICENSE.md"><img src="https://img.shields.io/github/license/dgibbs64/ansible-role-qemu_guest_agent?style=flat-square" alt="MIT License"></a>
 </p>
 
+## About
+
+QEMU (Quick EMUlator) is a free and open-source emulator and virtualization software. Used by many popular virtualisation platforms such as [Proxmox](https://www.proxmox.com/en/), [VirtualBox](https://www.virtualbox.org/), [KVM](https://www.linux-kvm.org/page/Main_Page), [Xen](https://xenproject.org/), [OpenStack](https://www.openstack.org/) and more.
+
+The `qemu-guest-agent` is a helper daemon, which is installed on the guest (virtual machine). It is used to exchange information between the host and guest, and to execute commands in the guest.
+
 ## Requirements
 
 None.

tasks/main.yml

@@ -1,16 +1,18 @@
 ---
+# tasks for qemu-guest-agent
+
 - name: "Gather facts"
-  when: ansible_facts['ansible_os_family'] is not defined or ansible_facts['ansible_system_vendor'] is not defined
   ansible.builtin.setup:
+  when: ansible_facts|default({}) == {}
 
 - name: "Update apt cache (Debian Family)"
-  when: ansible_os_family == "Debian"
   ansible.builtin.apt:
     update_cache: true
     cache_valid_time: 3600
+  when: ansible_os_family == "Debian"
 
-- name: "Install qemu_guest_agent"
-  when: ansible_system_vendor == 'QEMU'
+- name: "Ensure qemu_guest_agent is installed"
   ansible.builtin.package:
     name: qemu-guest-agent
     state: present
+  when: ansible_system_vendor == 'QEMU'