Generate pinecards and pineapplgrids for nPDF

[Radonirinaunimi]

Replacement to https://github.com/NNPDF/fktables/issues/34

Write pinecards for the following datasets and compute the corresponding pineapplgrids. For all the datasets below, the observable is always a ratio of $F_2$ structure functions: $R(x, Q^2, A_1, A_2) = [F_2(x, Q^2, A_1)/F_2(x, Q^2, A_2)]$.

Dataset name	Ref.	A(num)	A(den)	FK Tables Comparisons	Outputs	Comments
SLACE139_HE_D	[paper]	4	2
NMC95RE_HE_D	[paper]	4	2
NMC95_Li_D	[paper]	6	2
SLACE139_Be_D	[paper]	9	2
NMC96_Be_C	[paper]	9	12
EMC90_C_D	[paper]	12	2
SLACE139_C_D	[paper]	12	2
NMC95_C_D	[paper]	12	2
FNALE665_C_D	[paper]	12	2
NMC95RE_C_Li	[paper]	12	6
BCDMS85_N_D	[paper]	14	2
SLACE139_Al_D	[paper]	27	2
NMC96_Al_C	[paper]	27	12
SLACE139_Ca_D	[paper]	40	2
NMC95RE_Ca_D	[paper]	40	2
EMC90_Ca_D	[paper]	40	2
FNALE665_Ca_D	[paper]	40	2
NMC95RE_Ca_Li	[paper]	40	6
NMC96_Ca_C	[paper]	40	12
EMC97_Fe_D	[paper]	56	2
SLACE139_Fe_D	[paper]	56	2
NMC96_Fe_C	[paper]	56	12
BCDMS85_Fe_D	[paper]	56	2
EMC88_Cu_D, EMC93_Cu_D	[paper] [paper]	64	2
SLACE139_Ag_D	[paper]	108	2
EMC88_Sn_D	[paper]	119	2
NMC96_Sn_C	[paper]	119	2
FNALE665_Xe_D	[paper]	131	2
SLACE139_Au_D	[paper]	197	2
FNALE665_Pb_D	[paper]	208	2
NMC96_Pb_C	[paper]	208	12