added package file

.gitignore

 __pycache__
 .vscode
 .coverage
+dist
 out/*
 
 workloads/*

pyproject.toml

+[build-system]
+build-backend = "flit_core.buildapi"
+requires = ["flit_core>=3.4"]
+
+[project]
+name = "swf2userSessions"
+version = "0.0.1"
+authors = [
+  { name="Maël Madon", email="mael.madon@irit.fr" },
+]
+description = "Script to decompose a workload trace into user sessions."
+readme = "README.md"
+requires-python = ">=3.7"
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "Operating System :: OS Independent",
+    "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
+]
+