try other mermaid styles

docs/docs/get-started/what-is-openrag.mdx

@@ -75,6 +75,70 @@ flowchart LR
     end
 ```
 
+```mermaid
+architecture-beta
+    group ext(cloud)[External connectors]
+    service drive1(disk)[Google Drive] in ext
+    service drive2(disk)[OneDrive] in ext
+    service drive3(disk)[SharePoint] in ext
+    service drive4(disk)[Other] in ext
+
+    group local(server)[Local services]
+    service docling(database)[Docling Serve] in local
+
+    group containers(server)[OpenRAG containers]
+    service backend(database)[OpenRAG backend] in containers
+    service langflow(database)[Langflow] in containers
+    service opensearch(database)[OpenSearch] in containers
+    service frontend(database)[OpenRAG frontend] in containers
+    junction junctionCenter
+    junction junctionRight
+
+    backend:R -- L:junctionCenter
+    frontend:T -- B:junctionCenter
+    junctionCenter:R -- L:junctionRight
+    langflow:B -- T:junctionRight
+    opensearch:T -- B:junctionRight
+
+    docling{group}:R -- L:backend{group}
+    drive1{group}:B -- T:backend{group}
+```
+
+```mermaid
+mindmap
+  root((OpenRAG backend container))
+    Langflow
+      OpenSearch
+    OpenRAG frontend
+    Local services
+      Docling Serve
+    External connectors
+      Google Drive
+      OneDrive
+      SharePoint
+      Others
+```
+
+```mermaid
+flowchart TD
+    subgraph Containers
+    backend[OpenRAG Backend] --> langflow[Langflow]
+    langflow <--> opensearch[OpenSearch]
+    backend <--> frontend[OpenRAG frontend]
+    end
+    subgraph local [Local services]
+    docling[Docling Serve]
+    end
+    subgraph ext [External connectors]
+    drive1[Google Drive]
+    drive2[OneDrive]
+    drive3[SharePoint]
+    drive4[Others]
+    end
+    local --> backend
+    ext --> backend
+```
+
 The **OpenRAG Backend** is the central orchestration service that coordinates all other components.
 
 **Langflow** provides a visual workflow engine for building AI agents, and connects to **OpenSearch** for vector storage and retrieval.