docs: add CLI usage and integrate generation in release

www/docs/cli/filebrowser-cmds-rm.md

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+# filebrowser cmds rm
+
+Removes a command from an event hooker
+
+## Synopsis
+
+Removes a command from an event hooker. The provided index
+is the same that's printed when you run 'cmds ls'. Note
+that after each removal/addition, the index of the
+commands change. So be careful when removing them after each
+other.
+
+You can also specify an optional parameter (index_end) so
+you can remove all commands from 'index' to 'index_end',
+including 'index_end'.
+
+```
+filebrowser cmds rm <event> <index> [index_end] [flags]
+```
+
+## Options
+
+```
+  -h, --help   help for rm
+```
+
+## Options inherited from parent commands
+
+```
+  -c, --config string     config file path
+  -d, --database string   database path (default "./filebrowser.db")
+```
+
+## See Also
+
+* [filebrowser cmds](filebrowser-cmds.md)	 - Command runner management utility
+