add a requirements.txt file as well

Author: glemaitre

requirements.txt

@@ -0,0 +1,19 @@
+# Core Jupyter environment
+notebook>=7.4.3,<8
+jupyterlab>=4.4.3,<5
+jupytext>=1.17.2,<2
+scikit-learn>=1.7.0,<2
+polars==1.24.0
+pandas>=2.3.0,<3
+pyarrow>=20.0.0,<21
+matplotlib>=3.10.3,<4
+altair>=5.5.0,<6
+plotly>=6.2.0,<7
+ipyleaflet>=0.20.0,<0.21
+graphviz>=13.1.0,<14
+pydot>=4.0.1,<5
+holidays>=0.75,<0.76
+skrub==0.6.1
+openmeteo-requests>=1.5.0,<2
+requests-cache>=1.2.1,<2
+retry-requests>=2.0.0,<3