Open `main` branch - refactoring is finished

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

*: allow automatic updates of installed components

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

addons/anti-affinity: Support soft/hard podAntiAffinity and topologyKey

Do not modify $.prometheus object when it is not needed (k8s control plane)

increase default CPU values for main kube-rbac-proxy sidecar in kube-state-metrics

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

* Extract ServiceMonitors related to k8s control plane from prometheus
object into separate one
* Add kubernetes-mixin to new object

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

Ensure Prometheus ServiceMonitor is unique

jsonnet needs to be mentioned here

anti-affinity addon should also affect blackbox exporter

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

kubelet: Update label selector

Include build.sh and example.jsonnet download

*: add badges to readme

jsonnet: better name for prometheus PrometheusRule object

Do not include thanos config when thanos is not used.

etcd mixin changed place

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

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

bump node-exporter to 1.1.0 and remove deprecated flag