Add .cmake-format

# ------------------------------------------------

# Options affecting comment reflow and formatting.

# ------------------------------------------------

with section("markup"):

  # enable comment markup parsing and reflow

  enable_markup = False

# -----------------------------

# Options affecting formatting.

# -----------------------------

with section("format"):

  # Disable formatting entirely, making cmake-format a no-op

  disable = False

  # How wide to allow formatted cmake files

  line_width = 80

  # How many spaces to tab for indent

  tab_size = 2

  # If true, lines are indented using tab characters (utf-8 0x09) instead of

  # <tab_size> space characters (utf-8 0x20). In cases where the layout would

  # require a fractional tab character, the behavior of the  fractional

  # indentation is governed by <fractional_tab_policy>

  use_tabchars = False

  # If true, separate flow control names from their parentheses with a space

  separate_ctrl_name_with_space = False

  # If true, separate function names from parentheses with a space

  separate_fn_name_with_space = False

  # If a statement is wrapped to more than one line, than dangle the closing

  # parenthesis on its own line.

  dangle_parens = True

#  # If an argument group contains more than this many sub-groups (parg or kwarg

#  # groups) then force it to a vertical layout.

#  max_subgroups_hwrap = 2

#

#  # If a positional argument group contains more than this many arguments, then

#  # force it to a vertical layout.

#  max_pargs_hwrap = 2

#

#  # If a cmdline positional group consumes more than this many lines without

#  # nesting, then invalidate the layout (and nest)

#  max_rows_cmdline = 2