.editorconfig

dirstate: avoid leaking disk space in `hg debugrebuilddirstate`

Before this MR running `hg debugrebuilddirstate` simply grows the dirstate
without bound, never shrinking it, because the unused bytes counter stays low,
even though the entirety of the file becomes unused.

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

root = true

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

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

[*.t]
indent_size = 2
indent_style = space
trim_trailing_whitespace = false
end_of_line = lf