.editorconfig

server: minor code cleanup

Suggested by Yuya after 77f9e95fe3c4, this is mostly using named values for
stdio descriptors.  The lockfile is also opened in binary mode when reading back
content from the child.

# 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