Fira Code slashed zero variant

I used Glyphs 2 app to modify dotted zero to be slashed zero of Fira Code font.

Name		Name	Last commit message	Last commit date
Latest commit History 6 Commits
FiraCode-Bold-SZ.otf		FiraCode-Bold-SZ.otf
FiraCode-Light-SZ.otf		FiraCode-Light-SZ.otf
FiraCode-Medium-SZ.otf		FiraCode-Medium-SZ.otf
FiraCode-Regular-SZ.otf		FiraCode-Regular-SZ.otf
FiraCode-Retina-SZ.otf		FiraCode-Retina-SZ.otf
FiraCode.glyphs		FiraCode.glyphs
README.md		README.md

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