Mention the license in the README and pyproject.toml files

README.md

@@ -2,6 +2,8 @@
 
 An easy to use Python 3 high level API client, to build ML tasks.
 
+This is an open-source project, licensed using [the MIT license](https://opensource.org/license/mit/).
+
 ## Documentation
 
 The [documentation](https://workers.arkindex.org/) is made with [Material for MkDocs](https://github.com/squidfunk/mkdocs-material) and is hosted by [GitLab Pages](https://docs.gitlab.com/ee/user/project/pages/).

pyproject.toml

@@ -6,6 +6,7 @@ build-backend = "setuptools.build_meta"
 name = "arkindex-base-worker"
 version = "0.3.6-rc4"
 description = "Base Worker to easily build Arkindex ML workflows"
+license = "MIT"
 dynamic = ["dependencies", "optional-dependencies"]
 authors = [
     { name = "Teklia", email = "contact@teklia.com" },