feat(podman_link): enable opensearch-dashboards

Fixes: #5

roles/podman_link/templates/home/opensearch-dashboards.yml

@@ -0,0 +1,36 @@
+---
+opensearch.hosts: [https://zammad-opensearch:9200]
+opensearch.ssl.verificationMode: none
+opensearch.requestHeadersAllowlist:
+  - "securitytenant"
+  - "Authorization"
+  - "x-forwarded-for"
+  - "x-forwarded-user"
+  - "x-forwarded-roles"
+opensearch_security.auth.type: "proxy"
+opensearch_security.proxycache.user_header: "x-forwarded-user"
+opensearch_security.proxycache.roles_header: "x-forwarded-roles"
+opensearch_security.multitenancy.enabled: true
+opensearch_security.multitenancy.tenants.enable_global: true
+opensearch_security.multitenancy.tenants.enable_private: true
+opensearch_security.multitenancy.tenants.preferred: [Private, Global]
+opensearch_security.cookie.secure: false
+server.basePath: "/link/dashboards"
+server.rewriteBasePath: false
+
+opensearch.username: "admin"
+opensearch.password: "{{ podman_link_opensearch_password }}"
+
+server.host: "0.0.0.0"
+
+# New config that adds to or overrides existing one:
+#
+# server.port: 5601
+# server.name: "nextgen-dashboards"
+# opensearch.hosts: ["https://aberdeen-opensearch:9200"]
+# opensearch.ssl.verificationMode: certificate
+# opensearch.ssl.certificateAuthorities:
+# ["/usr/share/opensearch-dashboards/config/certs/ca.pem"]
+
+# opensearch.requestHeadersAllowlist: ["securitytenant", "Authorization"]
+# opensearch_security.readonly_mode.roles: ["kibana_read_only"]