Add K3s monitoring docs page (#183)

Signed-off-by: Matej Feder <[email protected]>

Author: matofeder

sidebarsDocs.js

@@ -235,6 +235,7 @@ const sidebarsDocs = {
                 'operating-scs/components/monitoring/docs/overview',
                 'operating-scs/components/monitoring/docs/quickstart',
                 'operating-scs/components/monitoring/docs/scs-deployment',
+                'operating-scs/components/monitoring/docs/k3s',
                 'operating-scs/components/monitoring/docs/infrastructure_services',
                 'operating-scs/components/monitoring/docs/iaas',
                 'operating-scs/components/monitoring/docs/kaas',