[package] Add pyproject.toml

This follows bob packages new standar

[package] Add pyproject.toml
53d46148 · Samuel GAIST · 0585882c · 53d46148
Commit 53d46148 authored 4 years ago by Samuel GAIST
--- a/pyproject.toml
+++ b/pyproject.toml
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"