fix(guide): simplify directory structure

guide/english/docker/docker-detached-mode/index.md

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+---
+title: Docker detached mode
+---
+
+## Docker detached mode
+
+Detached mode, shown by the option `--detach` or `-d`, means that a Docker container runs in the background of your terminal. It does not receive input or display output.
+
+```
+docker run -d IMAGE
+```
+
+If you run containers in the background, you can find out their details using `docker ps` and then reattach your terminal to its input and output.
+
+
+#### More Information:
+- [Attach to and detach from a running container | Docker Docs](https://docs.docker.com/engine/reference/commandline/attach/#examples)
+- [Detached vs foreground | Docker docs](https://docs.docker.com/engine/reference/run/#detached-vs-foreground)