feat: add service layer, performance monitoring, and UI improvements

refactor: migrate to StateManager and fix asset paths

time info widget, rebinning and lightcurves save

add power colors

add bispectrum

add help section in homepage

add datashader

power spectrum functionality done

lightcurve functionality done

initialise plots container for all files

floatpanel issue resolved

add power spectrum

add float panels

check floatpanel functionality

Lightcurve from event list

better comments in dataingestion

add data ingestion feature

add loading functionality

ui bug fixed

Add UI changing sidebar