Added an Open Dashboards option to the main menu and added screenshots of the dashboards to the README

ansible/roles/configure_elastic_stack/tasks/init_elk_stack.yml

@@ -19,9 +19,9 @@
     chdir: ../../docker-elk
     cmd: docker compose up -d
 
-- name: Wait 20 seconds for the ELK stack to start
+- name: Wait 30 seconds for the ELK stack to start
   pause:
-    seconds: 20
+    seconds: 30
 
 - name: Import the benchmarking dashboards into Kibana
   shell: