## Changes

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  Implemented the functionality to update the user's name.
  Closes #42
  Co-authored-by: @octocat
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## Implementation details

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  Changes are introduced to the controller and the database model. UI changes
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## How to read this PR

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  Please start reviewing the changes to the controller files. Then check the
  changes to the database files. This way, you will have more context about the
  changes made to the database model.
  You can test the changes at https://preview-42.example.com/profile/update
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## Screenshots

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