Add navbar to show the current admin username and photo when authentication is enabled

[jowilf]

with photo

without photo

[codecov]

Codecov Report

Base: 100.00% // Head: 100.00% // No change to project coverage 👍

Coverage data is based on head (85fbec7) compared to base (41eea9b).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##              main       #49    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files           48        54     +6     
  Lines         3171      3880   +709     
==========================================
+ Hits          3171      3880   +709     

Impacted Files	Coverage Δ
starlette_admin/auth.py	100.00% <100.00%> (ø)
starlette_admin/base.py	100.00% <100.00%> (ø)
starlette_admin/views.py	100.00% <100.00%> (ø)
starlette_admin/fields.py	100.00% <0.00%> (ø)
tests/mongoengine/__init__.py	100.00% <0.00%> (ø)
starlette_admin/helpers.py	100.00% <0.00%> (ø)
tests/odmantic/__init__.py	100.00% <0.00%> (ø)
starlette_admin/exceptions.py	100.00% <0.00%> (ø)

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.