create implication lord_el-melloi_ii_case_files -> fate_(series)

Link to implication

AFAIK, Lord El-Melloi II Case Files is set in the same parallel world of Fate/Stay Night.

EDIT: The tag implication lord_el-melloi_ii_case_files -> fate_(series) has been approved by @NWF_Renim.

The tag implication lord_el-melloi_ii_case_files -> fate_(series) has been approved by @NWF_Renim.