feat: add a dev command to nox (#134)

Author: henryiii

noxfile.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+import sys
+
 import nox
 
 nox.options.sessions = ["lint", "tests"]
@@ -21,3 +23,19 @@ def tests(session: nox.Session) -> None:
     """
     session.install(".[test]")
     session.run("pytest", *session.posargs)
+
+
+@nox.session(venv_backend="none")
+def dev(session: nox.Session) -> None:
+    """
+    Prepare a .venv folder.
+    """
+
+    session.run(sys.executable, "-m", "venv", ".venv")
+    session.run(
+        ".venv/bin/pip",
+        "install",
+        "-e.",
+        "-Ccmake.define.CMAKE_EXPORT_COMPILE_COMMANDS=1",
+        "-Cbuild-dir=build",
+    )