updated docs

Signed-off-by: Nwusongqing <wusongqing@huawei.com>

en/device-dev/subsystems/Readme-EN.md

@@ -3,7 +3,6 @@
 - [Compilation and Building](subsys-build.md)
   - [Building Guidelines for Mini and Small Systems](subsys-build-mini-lite.md)
   - [Building Guidelines for Standard Systems](subsys-build-standard-large.md)
-  - [Build System Coding Specifications and Best Practices](subsys-build-gn-coding-style-and-best-practice.md)
 - [Distributed Remote Startup](subsys-remote-start.md)
 - [Graphics](subsys-graphics.md)
   - [Graphics](subsys-graphics-overview.md)
@@ -40,6 +39,13 @@
     - [KWS SDK](subsys-aiframework-demo-sdk.md)
     - [KWS Plug-in](subsys-aiframework-demo-plugin.md)
     - [KWS Configuration File](subsys-aiframework-demo-conf.md)
+- [Data Management](subsys-data.md)
+  - [RDB](subsys-data-relational-database.md)
+    - [RDB Overview](subsys-data-relational-database-overview.md)
+    - [RDB Development](subsys-data-relational-database-guide.md)
+  - [Lightweight Data Store](subsys-data-storage.md)
+    - [Lightweight Data Store Overview](subsys-data-storage-overview.md)
+    - [Lightweight Data Store Development](subsys-data-storage-guide.md)
 - [Sensors](subsys-sensor.md)
   - [Sensors Overview](subsys-sensor-overview.md)
   - [Sensors Usage Guidelines](subsys-sensor-guide.md)
@@ -79,5 +85,4 @@
 - [R&D Tools](subsys-toolchain.md)
   - [bytrace Usage Guidelines](subsys-toolchain-bytrace-guide.md)
   - [hdc\_std Usage Guidelines](oem_subsys_toolchain_hdc_guide.md)
-- [XTS](subsys-xts-guide.md)
-
+- [XTS](subsys-xts-guide.md)
\ No newline at end of file