Fix admin password not saving when server goes down

[MiguelCruzeiro]

Issue

Closes #150 .

Reason for this change

Admin password resets to default when server goes down.

Description of changes

Saved admin user in database with password encrypted.

Description of how you validated changes

Manual testing.

Checklist

• [x] I have tested my changes locally.
• [ ] I have updated the documentation to reflect my changes.
• [ ] I have added/updated unit tests (if applicable).
• [x] My code adheres to the CONTRIBUTING GUIDE

Aditional Information

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
2.8% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud