[web] Added link to ogstools on the docs overview page.

web/config/_default/config.toml

@@ -127,5 +127,12 @@ post = "OpenGeoSys C++ Style Guide"
 [menu.docs.params]
 category = "Developer"
 
+[[menu.docs]]
+name = "Python tools"
+url = "https://ogs.ogs.xyz/tools/ogstools"
+post = "<em>ogstools</em> is a collection of Python tools aimed at evolving into a modeling toolchain around OpenGeoSys."
+[menu.docs.params]
+category = "Beginner"
+
 [security.funcs]
 getenv = ['^HUGO_', '^CI_']