Added the DSTL MIT license and updated the license in pyproject.toml

LICENSE

@@ -1,28 +1,21 @@
-GFX License
+MIT License
 
-GFX Conditions
+Copyright (c) 2023 - 2025 Defence Science and Technology Laboratory UK (https://dstl.gov.uk)
 
-These GFX conditions confirm the provision of the following artefacts as GFX by Defence Science and Technology
-Laboratory UK (DSTL) to QinetiQ Training and Simulation Ltd (QTSL) (and subcontractors engaged in activity on task by
-request to the QQ mailbox):
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
 
-- PrimAITE Overview
-- Access to PrimAITE & user instructions
-- Track 2 tech support
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
 
-Suppliers will be required to sign up to the QTSL Collaborative Working Environment (CWE) SyOPs and fill out a User
-Access Request Form. Provided they have a minimum of Cyber Essentials, and the user has the required clearance, they
-will then be provided with credentials to access the site by QQ.
-
-DSTL mandate that any changes made to the PrimAITE source code be passed back to QTSL (during or on termination of the
-task) so that QQ can capture any potential enhancements to PrimAITE.
-
-This contains OFFICIAL information to be used to inform work on ARCD tasks (under SERAPIS).
-
-The material is supplied in confidence to QQ and their subcontractors under SERAPIS, and is issued to inform only those
-that need to know its contents in the course of their official duties whilst engaged in activities under the contract.
-The material consists of proprietary information which is the property of the Crown. The information contained within
-the material may constitute valuable technical information and be commercially sensitive in relation to third parties;
-therefore it may not be used or copied for any non-Governmental or commercial purpose without the prior written consent
-of DSTL. The material must be stored and protected appropriately.All material must be destroyed at the end of the task.
-Please note the contractual obligations relating to provision of these materials.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

pyproject.toml

@@ -10,7 +10,7 @@ license = {file = "LICENSE"}
 requires-python = ">=3.8, <3.11"
 dynamic = ["version", "readme"]
 classifiers = [
-    "License :: GFX",
+    "License :: OSI Approved :: MIT License",
     "Development Status :: 5 - Production/Stable",
     "Operating System :: Microsoft :: Windows",
     "Operating System :: MacOS",