Signed-off-by: Damien Grisonnet <dgrisonn@redhat.com>

Replace Watchdog alerts part of the `example-group` in some examples by
ExampleAlert alerts to reinforce the fact that this is just an example.

Signed-off-by: Damien Grisonnet <dgrisonn@redhat.com>

Co-authored-by: Paweł Krupa <pawel@krupa.net.pl>

Co-authored-by: Paweł Krupa <pawel@krupa.net.pl>

Signed-off-by: Damien Grisonnet <dgrisonn@redhat.com>

Co-authored-by: Andrew Purdin <44270026+andrewpurdin@users.noreply.github.com>

Signed-off-by: James Sturtevant <jstur@microsoft.com>

Signed-off-by: paulfantom <pawel@krupa.net.pl>

Signed-off-by: paulfantom <pawel@krupa.net.pl>

This change documents where to find documentation and support for the
various components of kube-prometheus.

Signed-off-by: Simon Pasquier <spasquie@redhat.com>

Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com>

Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com>

Instructions to add Grafana dashboard do not work. The proposed
functions are wrong, according to
[grafana.libsonnet](https://github.com/brancz/kubernetes-grafana/blob/master/grafana/grafana.libsonnet)
`dashboards` and `rawDashboards` should be used in `grafana+::`
field.

This PR updates the existing documentation and fixes minor typos.

Fixes #455.

Grafana deployment needs to modified for weave-net for mounting the
weave-net config maps volumes

https://github.com/coreos/kube-prometheus/pull/425#pullrequestreview-368779890

Review comment: https://github.com/coreos/kube-prometheus/pull/425#discussion_r387494885