Update

[SiewYan]

1.) first attempt on introduction
2.) topping up citation for darkhiggs reference
3.) Likelihood equation for fail
4.) fix proper citation for monoH

[SiewYan]

First draft of introduction, please have a look, especially the analysis strategy. I left out the m_sd on the bin-by-bin fitting description. Hope we can discuss on this

[SiewYan]

First draft on model description, will do a revision on justification of Mono-hs and mono-Zp