Missing license in sdist (#1190)

Author: martinRenou

python/ipyleaflet/pyproject.toml

@@ -38,6 +38,9 @@ dynamic = [
     "version",
 ]
 
+[project.license]
+file = "LICENSE"
+
 [tool.hatch.version]
 path = "ipyleaflet/_version.py"
 source = "code"

python/jupyter_leaflet/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2018, Project Jupyter Contributors
+
+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:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+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.

python/jupyter_leaflet/pyproject.toml

@@ -35,6 +35,9 @@ dynamic = [
 [project.urls]
 Homepage = "https://github.com/jupyter-widgets/ipyleaflet"
 
+[project.license]
+file = "LICENSE"
+
 [tool.hatch.build]
 artifacts = [
     "nbextension/index.*",