Discovery: add I2Ni2 (2INi-2)

active_challenge.csv

@@ -1045,3 +1045,4 @@ OSC-02477,1MnLi2-1,1MnLi2-1,Li2Mn,discovery,light,,ok,0.14434,1.15472,8.0,0.0265
 OSC-01216,1GeSe2Fe3-1,1GeSe2Fe3-1,Fe3GeSe2,discovery,light,,ok,0.13321,1.06568,8.0,1.071,0.9115,,0.1111,2.1839,gaussian_dos_scf_mesh,0.04726,,
 OSC-02222,1GeMnSTe-1,1GeMnSTe-1,GeMnSTe,discovery,light,,ok,0.05194,0.41552,8.0,-2.6191,0.9806,,0.0556,1.67139,gaussian_dos_scf_mesh,0.04523,,
 OSC-01399,2NiO-3,2NiO-3,Ni2O2,discovery,light,,ok,0.39317,3.14536,8.0,-2.3659,0.6534,,0.3333,1.41363,gaussian_dos_scf_mesh,0.04299,,
+OSC-02455,2INi-2,2INi-2,I2Ni2,discovery,light,,ok,0.0507,0.4056,8.0,0.0983,1.1451,,0.1111,2.39057,gaussian_dos_scf_mesh,0.04726,,