Merge branch 'istmxbohl-change-README' into 'develop'

Replaced old CLI README section

See merge request !197

README.md

@@ -68,11 +68,8 @@ We have an instance of `goSDN` for each the latest master and current develop br
 
 ## Using the CLI
 
-The `gosdn cli` command allows you to interact with a running `goSDN` controller. Use `gosdn help cli` to print the available commands and flags.
-
-## Example
-
-[![asciicast](https://asciinema.org/a/dfrDlFQt5DPlG9HDyetdmeEW8.svg)](https://asciinema.org/a/dfrDlFQt5DPlG9HDyetdmeEW8)
+The CLI for goSDN is provided as the separate `gosdnc` application.
+Please refer to the [README](https://code.fbi.h-da.de/danet/gosdnc/-/blob/develop/README.md) there.
 
 # CI Status