User Profile

[rilling]

Is your feature request related to a problem? Please describe.
The app is currently not supporting a user profile, with stores some basic functionality (e.g., Age, height, weight, gender)
=> should become an other section User Preferences in the settings

Describe the solution you'd like
=> should become an other section User Preferences in the settings.
The following info should be captured units should be either metric or imperial based on the Default units set in settings (see also issue #187):

Birthday
Weight
Height
Gender

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.