.editorconfig

perftemplating: abort on incompatible version

This is what the other debug commands do. Thanks to Yuya Nishihara for
pointing this out.

# See http://EditorConfig.org for the specification

root = true

[*.py]
indent_size = 4
indent_style = space
trim_trailing_whitespace = true

[*.{c,h}]
indent_size = 8
indent_style = tab
trim_trailing_whitespace = true