Add ConsoleDuration config option

[synfinatic]

• config.yaml now honors ConsoleDuration
• remove --duration flag from everything but console

Fixes: #159

[codecov]

Codecov Report

Merging #162 (43a33b2) into main (38bf9c5) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #162   +/-   ##
=======================================
  Coverage   37.38%   37.38%           
=======================================
  Files          10       10           
  Lines        1471     1471           
=======================================
  Hits          550      550           
  Misses        880      880           
  Partials       41       41           

Impacted Files	Coverage Δ
sso/settings.go	60.46% <ø> (ø)

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