serve: add option print-url
It can be used to open hgweb in a web browser. Example :
xdg-open "`hg serve --print-url`".
Differential Revision: https://phab.mercurial-scm.org/D3649
# 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