fix(guide): simplify directory structure

guide/english/bash/bash-mv/index.md

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+---
+title: Bash mv
+---
+
+## Bash command: mv
+
+**Moves files and folders.**
+
+```
+mv source target
+mv source ... directory
+```
+
+The first argument is the file you want to move, and the second is the location to move it to. It can also be used to rename a file, by inputting 2 file names as parameters, like so: `mv originalFilename.txt newFilename.txt`
+
+Commonly used options:
+- `-f` to force move them and overwrite files without checking with the user.
+- `-i` to prompt confirmation before overwriting files.
+
+### More Information:
+* [Wikipedia](https://en.wikipedia.org/wiki/Mv)