feat: add lazy loading for large FITS files

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

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

shift eventlist operations to quicklook eventlist from data ingestion

add tooltip in fetch link box

eventlist reading from url

formatting change

add EventList.read directly from links

add exhaustive eventList functionalities

add event list operations

add dynamical power spectrum

eventlist.read done correctly

data read is more robust

change load to read files, add tooltip

update docs

add readthedocs documentation and sphinx builder

time info widget, rebinning and lightcurves save

home page plots

add power spectrum

add float panels

Lightcurve from event list

better comments in dataingestion

format help string in data ingestion

add data ingestion feature

add loading functionality

ui bug fixed

test for changing ui works