Restructures documentation for inifile (PedestrianDynamics#981)

* Restructures and integrates referenced pages to one file

* Update papers.

* Move desired speed and trajectory output to main page

* Unpublish priorly referenced pages

* Remove unused or old parameters

* Deletes unpublished pages

* Adapts nesting

* Applies reviewer comments

* fix docs

Co-authored-by: Mohcine Chraibi <[email protected]>

Author: JetteSchumann

docs/_data/sidebars/jupedsim_sidebar.yml

@@ -103,25 +103,8 @@ entries:
         - title: Geometry
           url: /jpscore_geometry.html
           output: web, pdf
-        - title: Trajectory
-          url: /jpscore_trajectory.html
-          output: web, pdf
-
-      - title: Models
-        output: web, pdf
-        subfolderitems:
-        - title: Operational models
-          url: /jpscore_operativ.html
-          output: web, pdf
-
-        - title: Routing
-          url: /jpscore_routing.html
-          output: web, pdf
-
-        - title: Direction strategies
-          url: /jpscore_direction.html
-          output: web, pdf
-
+        
+      
   - title: Analysis
     output: web, pdf
     folderitems: