Add no_proxy settings to use minikube and kubectl (#4108)

* Add no_proxy settings one might need to use minikube and kubectl behind a proxy.

* add extra line before shell block for formatting

* include suggestions from chenopis

docs/getting-started-guides/minikube.md

@@ -281,6 +281,12 @@ $ minikube start --docker-env HTTP_PROXY=http://$YOURPROXY:PORT \
                  --docker-env HTTPS_PROXY=https://$YOURPROXY:PORT
 ```
 
+If your Virtual Machine address is 192.168.99.100, then chances are your proxy settings will prevent kubectl from directly reaching it.
+To by-pass proxy configuration for this IP address, you should modify your no_proxy settings. You can do so with:
+
+```shell
+$ export no_proxy=$no_proxy,$(minikube ip)
+```
 
 ## Known Issues
 * Features that require a Cloud Provider will not work in Minikube. These include: