phases: define an official tuple of phases we do not share
Same motivation as for `mutablephases`, having a single definition helps with
updating phases logic.
# 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