add fastapi requirements

add approx_gauss; add eigenvalue; replace contraction with non_expanding

add log in equation 6.4; change order of condition variable in figure 1(a)

fixed some typos in cond_kl

add cond_kl

add description of doing exp

add hyperlink whthin page

pack all data files to data.json

delete including katex

change name to restart

enable share in launch

first normal version

initial commit