Userprofile

[comphonia]

[global change] added *{box-sizing: borderbox} to App.css

Profile page #134

1. swapped form grid layout for flex-box
2. applied consistent styling to form elements
3. profile picture change on avatar selection
4. replaced default avatar icon
5. changing profile picture updates the source
6. Added a dropdownSelect component [users can add interest(unique,predefined,dropdown)]
7. All input fields are #stored in changedProfileData

[zero-to-mastery-bot]

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