Restructure docs

Previously you needed a lot of clicks to get to some docs or examples.
With this restructuring the number of clicks is reduced.

Signed-off-by: Fabian Deutsch <fabiand@fedoraproject.org>

Author: fabiand

docs/network-bridge/README.md renamed to docs/README.bridge.md

@@ -61,7 +61,7 @@ spec:
 ```
 
 ```bash
-$ kubectl apply -f https://raw.githubusercontent.com/kubevirt/kubernetes-device-plugins/master/docs/network-bridge/example-pod.yml
+$ kubectl apply -f https://raw.githubusercontent.com/kubevirt/kubernetes-device-plugins/master/examples/bridge-consumer.yml
 pod "bridge-consumer" created
 ```
 

docs/kvm/README.md renamed to docs/README.kvm.md

@@ -44,7 +44,7 @@ docker run -it -v /var/lib/kubelet/device-plugins:/var/lib/kubelet/device-plugin
 kubectl apply -f manifests/kvm-ds.yml
 
 # Optionally you can now test it using an example consumer
-kubectl apply -f docs/kvm/consumer.yml
+kubectl apply -f examples/kvm-consumer.yml
 kubectl exec -it kvm-consumer -- ls /dev/kvm
 ```