Merge pull request ClickHouse#79551 from FulgerX2007/new_tool_clickhouse-schemaflow-visualizer

docs: add new tool, ClickHouse Schema Flow Visualizer

Author: Blargian

docs/en/interfaces/third-party/gui.md

@@ -43,6 +43,21 @@ Features:
 
 [ChartDB Source Code](https://github.com/chartdb/chartdb).
 
+### ClickHouse Schema Flow Visualizer {#clickhouse-schemaflow-visualizer}
+
+A powerful web application for visualizing ClickHouse table relationships using Mermaid.js diagrams.
+
+Features:
+
+- Browse ClickHouse databases and tables with an intuitive interface
+- Visualize table relationships with Mermaid.js diagrams
+- View direction of data flow between tables
+- Export diagrams as standalone HTML files
+- Secure connection to ClickHouse with TLS support
+- Responsive web interface for all devices
+
+[ClickHouse Schema Flow Visualizer - source code](https://github.com/FulgerX2007/clickhouse-schemaflow-visualizer)
+
 ### Tabix {#tabix}
 
 Web interface for ClickHouse in the [Tabix](https://github.com/tabixio/tabix) project.