Implemented input validation for username and name

[B1s9l]

Pull Requests Checklist

Assignee:

• [x] code commented?
• [x] deactivated things not needed? (e.g. other features which only were prepared)
  • [x] alerts that this is todo?
• [x] test run localhost?
• [x] tested manually all features and edge cases?
• [x] documentation added / updated?
• [x] pre-commit checks passed?
• [x] pipelines passed?

Reviewer:

• [ ] correct branch?
• [ ] are there any code smells?
• [ ] did pipeline pass?
• [ ] is the code well documented?
• [ ]tested manually all features and edge cases?

[sonarcloud[bot]]

Quality Gate failed

Failed conditions
2 Security Hotspots
0.0% Coverage on New Code (required ≥ 80%)
100.0% Duplication on New Code (required ≤ 3%)

See analysis details on SonarCloud