Include Design section

[stefanilijev97]

Pull Request (PR) Checklist

Please check if your pull request fulfills the following requirements:

• The PR is submitted to the develop branch.
• I've read the Contribution Guidelines.
• The code builds and is tested on an actual Android device.
• I confirm that I've run the code locally and everything works as expected.

Put an x in the boxes that apply.

• Demo: Checking checkbox using [x]

Pull Request Type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes)
• Small update (fix typo, change color or something)
• Gradle Build related changes
• Dependencies update (updating libraries)
• Documentation
• Other (please describe):

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Does this PR closes any GitHub Issues?

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• Closes #N/A (type issue number here)

What's changed?

Describe with a few bullets what's new:

This PR template style was inspired by ionic-framework.