docs: dev guide whitespace fix
Add a blank line to the dev guide.
@@ -65,6 +65,7 @@ If your system is *not* able to run Kata Containers, the previous command will e
## Enable full debug
Enable full debug as follows:
+
```
$ sudo sed -i -e 's/^# *\(enable_debug\).*=.*$/\1 = true/g' /usr/share/defaults/kata-containers/configuration.toml
$ sudo sed -i -e 's/^kernel_params = ""/kernel_params = "agent.log=debug"/g' /usr/share/defaults/kata-containers/configuration.toml
