addition of MDS

putting an exmaple

Added all the param models

fixing adding the file to the observer

fixing the bias term related issue in bnsl

excluding matplotlib

removing the forgotten experiments

with restarts with random sampling and some minor fixes

BNSL completed, automation increased and checked.

trying to add broken neural scaling laws but failing the tests for now

added the unit testing framework for parametric models

finished exp2 and skeleton of testing is reformulated

database file ignore

added curve opbjects for easy looping

skeloton of the experimental setting is done