Remove unnecessary hermes-web-cli subdirectory in wwwroot and move files to correct locations

wwwroot/new_session.ui

@@ -52,7 +52,7 @@
           "actiontype": "urlwidget",
           "target": "app.main-content",
           "options": {
-            "url": "{{entire_url('hermes-web-cli/sessions/create_session.dspy')}}",
+            "url": "{{entire_url('sessions/create_session.dspy')}}",
             "method": "POST",
             "params": "{{ 'new-session-form'.data }}"
           },