format cmake files

.cmake-format.py

@@ -0,0 +1,37 @@
+# -----------------------------
+# Options effecting formatting.
+# -----------------------------
+with section("format"):
+
+    # How wide to allow formatted cmake files
+    line_width = 80
+
+    # How many spaces to tab for indent
+    tab_size = 2
+
+    # 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 = False
+
+with section("markup"):
+    enable_markup = False
+
+# parse kwargs for nanobind_add_stub, to not interpret keywords as args
+with section("parse"):
+    additional_commands = {
+        "nanobind_add_stub": {
+            "kwargs": {
+                "MODULE": "*",
+                "OUTPUT": "*",
+                "PYTHON_PATH": "*",
+                "DEPENDS": "*",
+                "PATTERN_FILE": "*",
+            }
+        }
+    }