missing license header

Author: fit-alessandro-berti

pm4py/algo/conformance/alignments/petri_net/variants/state_equation_a_star.py

@@ -1,3 +1,24 @@
+'''
+PM4Py – A Process Mining Library for Python
+Copyright (C) 2024 Process Intelligence Solutions UG (haftungsbeschränkt)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see this software project's root or
+visit <https://www.gnu.org/licenses/>.
+
+Website: https://processintelligence.solutions
+Contact: info@processintelligence.solutions
+'''
 """This module contains code that allows us to compute alignments on the basis
 of a regular A* search on the state-space of the synchronous product net of a
 trace and a Petri net. The main algorithm follows [1]_. When running the log-