Add environment file for v1.0.2

Signed-off-by: Régis Terrier <rterrier@apc.in2p3.fr>

download/install/gammapy-1.0.2-environment.yml

@@ -0,0 +1,43 @@
+# Conda environment for Gammapy version 1.0.2
+# Install:    conda env create -f gammapy-1.0.2-environment.yml
+# Activate:   conda activate gammapy-1.0.2
+# Deactivate: conda deactivate
+
+name: gammapy-1.0.2
+
+channels:
+  - conda-forge
+  - sherpa
+
+variables:
+  PYTHONNOUSERSITE: "1"
+
+dependencies:
+  - gammapy=1.0.2
+  - python=3.10
+  - ipython=8.7.0
+  - cython
+  - jupyter
+  - jupyterlab=3.5
+  - pyyaml=6.0
+  - click=8.1.3
+  - numpy=1.26
+  - scipy=1.11
+  - pandas=2.1
+  - matplotlib=3.8
+  - astropy=6.0
+  - regions=0.8
+  - iminuit=2.24
+  - sherpa=4.15
+  - healpy=1.16.1
+  - naima=0.10
+  - pydantic=1.9
+  - emcee=3.1
+  - corner=2.2
+  - pip
+  - requests
+  - tqdm
+
+
+
+