Added bordered and more explanation

docs/deployment-docker-compose.md

docs/deployment-helm.md

docs/deployment-kubernetes-azure.md

docs/images/opensearch-dashboards-reset-pw.png

docs/images/opensearch-dashboards.png

docs/images/ui.png

docs/stylesheets/extra.css

docs/system-databases-search.md

docs/system-other-search-dashboard.md

docs/system-other-ui.md