ui is now an extra instead of a dependency group

Author: Aethor

pyproject.toml

@@ -36,14 +36,16 @@ Homepage = "https://github.com/CompNet/Renard"
 Documentation = "https://compnet.github.io/Renard/"
 Repository = "https://github.com/CompNet/Renard"
 
+[project.optional-dependencies]
+ui = [
+    "gradio>=4.44.1",
+    "pyvis>=0.3.2",
+]
+
 [dependency-groups]
 dev = [
     "hypothesis>=6.82",
     "Sphinx>=4.3",
     "sphinx-rtd-theme>=1.0.0",
     "sphinx-autodoc-typehints>=1.12.0",
 ]
-ui = [
-    "gradio>=4.44.1",
-    "pyvis>=0.3.2",
-]