ignore package pair style

src/.gitignore

@@ -653,6 +653,8 @@
 /pair_hbond_dreiding_lj.h
 /pair_hbond_dreiding_morse.cpp
 /pair_hbond_dreiding_morse.h
+/pair_kolmogorov_crespi_z.cpp
+/pair_kolmogorov_crespi_z.h
 /pair_lcbop.cpp
 /pair_lcbop.h
 /pair_line_lj.cpp