Adding Google analytics (#335)

* Updating CI to install deep learning

* Revert "Updating CI to install deep learning"

This reverts commit f722e07.

* Adding Google Analytics id

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Co-authored-by: Sylvain Chevallier <sylvain.chevallier@universite-paris-saclay.fr>

docs/source/conf.py

@@ -278,6 +278,8 @@ def linkcode_resolve(domain, info):  # noqa: C901
     # Choose Bootstrap version.
     # Values: "3" (default) or "2" (in quotes)
     "bootstrap_version": "3",
+    # Insert analytics script in the documentation pages.
+    "analytics": dict(google_analytics_id="G-5WJBKDMSTE"),
 }
 
 # Add any paths that contain custom static files (such as style sheets) here,