feat: add lazy loading for large FITS files

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

refactor: migrate to StateManager and fix asset paths

converting global list access for eventlist, lightcurve loading to a state management system

add docstrings and comments in explorer.py

change alignmnet

layout fix for eventlist operations, add lightcurve property multiselect

shift eventlist operations to quicklook eventlist from data ingestion

add dynamical power spectrum

add readthedocs documentation and sphinx builder

time info widget, rebinning and lightcurves save

add power colors

add bispectrum

add help section in homepage

add datashader

add cross-spectra and average cross spectra

average power spectrum functionality finished

add averagepowerspectrum

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