Docs: Update PR Template structure

[gadyrcdz]

📝 Update PULL_REQUEST_TEMPLATE.md

🛠️ Issue

• Does not close any ISSUE

🛠️ Related issues (if applicable)

• Any ISSUE related

📖 Description

• This PR improves the structure of PULL_REQUEST_TEMPLATE.md. Using a reference to the ISSUE that the PR closes, adding a space for Screenshots and Additional Notes to make sure that the Contributing Guide is being followed.

🖼️ Screenshots (if applicable)

• Include any relevant screenshots or examples of the changes made. This helps reviewers visualize the updates

✅ Pull Request Checklist

• The PR is proposed to the correct branch (Branch created under branch DEVELOP).
• The changes have been tested on the target Android API and minimum Android API.
• Automated tests have been added (if applicable).
• The feature is well documented.
• There is a reference to the original ISSUE and related work.

📝 Additional Notes

• Any additional context, questions, or considerations for the reviewers.
• Take a look at our Contributing Guide before submitting your PR.
• Don't forget your branch must be created from develop, not from master.

[jamescr]

Awesome, thanks @gadyrcdz