Remove Developer tab, add Help tab

[TimCsaky]

Description

• Removed Developer tab from navigation. our dev's know how to manually visit the url if we need it
• add Help tab
• made navbar always show and hide individual tabs if un/auth'd

Types of changes

New feature (non-breaking change which adds functionality)

Checklist

• I have read the CONTRIBUTING doc
• I have checked that unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

Further comments

[github-actions]

Coverage Report (Application)

Totals
Statements:	75% ( 51 / 68 )
Methods:	62.5% ( 5 / 8 )
Lines:	82.61% ( 38 / 46 )
Branches:	57.14% ( 8 / 14 )

[github-actions]

Coverage Report (Frontend)

Totals
Statements:	6.71% ( 56 / 834 )
Methods:	0.52% ( 1 / 194 )
Lines:	9.53% ( 49 / 514 )
Branches:	4.76% ( 6 / 126 )