Feature/128 convert to functional components

[DZwell]

🚀 Description

Convert the following components from class based to function based components: Text.js, App.js, Sidebar.js, NavigationBar.js

📄 Motivation and Context

https://github.com/jmprathab/MyHome-Web/issues/128

🧪 How Has This Been Tested?

I clicked around on all of the links in the app to ensure they still worked. I also intentionally broke a few things to make sure I wasn't getting false positives.

📷 Screenshots (if appropriate)

📦 Types of changes

• [ x ] Enhancement
• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

✅ Checklist

• [x] My code follows the code style of this project(Do your best to follow code styles. If none apply just skip this).
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.