Merge pull request #1153 from googlefonts/missing-files

add missing file buildFvarInstances.py

Author: m4rc1e

Lib/gftools/builder/operations/buildFvarInstances.py

@@ -0,0 +1,8 @@
+import os
+
+from gftools.builder.operations import OperationBase
+
+
+class BuildFvarInstances(OperationBase):
+    description = "Run gftools-gen-fvar-instances"
+    rule = "gftools-gen-fvar-instances --inplace $in $args"