(features)The delete function for cloudwatch rum is added (#952)

* (features)The delete function for cloudwatch rum is added

* Update resources/cloudwatch-rum.go

Change the naming convention to conform to the general style as suggested

Co-authored-by: Philipp Trulson <der-eismann@users.noreply.github.com>

* Add properties

---------

Co-authored-by: Philipp Trulson <der-eismann@users.noreply.github.com>
Co-authored-by: Philipp Trulson <p.trulson@rebuy.com>

resources/cloudwatch-rum.go

@@ -0,0 +1,71 @@
+package resources
+
+import (
+	"github.com/aws/aws-sdk-go/aws/session"
+	"github.com/aws/aws-sdk-go/service/cloudwatchrum"
+	"github.com/rebuy-de/aws-nuke/v2/pkg/types"
+)
+
+type CloudWatchRumApp struct {
+	svc            *cloudwatchrum.CloudWatchRUM
+	appmonitorname *string
+	id             *string
+	state          *string
+}
+
+func init() {
+	register("CloudWatchRUMApp", ListCloudWatchRumApp)
+}
+
+func ListCloudWatchRumApp(sess *session.Session) ([]Resource, error) {
+	svc := cloudwatchrum.New(sess)
+	resources := []Resource{}
+
+	params := &cloudwatchrum.ListAppMonitorsInput{}
+
+	for {
+		output, err := svc.ListAppMonitors(params)
+		if err != nil {
+			return nil, err
+		}
+
+		for _, appEntry := range output.AppMonitorSummaries {
+			resources = append(resources, &CloudWatchRumApp{
+				svc:            svc,
+				appmonitorname: appEntry.Name,
+				id:             appEntry.Id,
+				state:          appEntry.State,
+			})
+		}
+
+		if output.NextToken == nil {
+			break
+		}
+
+		params.NextToken = output.NextToken
+	}
+
+	return resources, nil
+}
+
+func (f *CloudWatchRumApp) Remove() error {
+
+	_, err := f.svc.DeleteAppMonitor(&cloudwatchrum.DeleteAppMonitorInput{
+		Name: f.appmonitorname,
+	})
+
+	return err
+}
+
+func (f *CloudWatchRumApp) Properties() types.Properties {
+	properties := types.NewProperties()
+	properties.Set("Name", *f.appmonitorname)
+	properties.Set("ID", *f.id)
+	properties.Set("State", *f.state)
+
+	return properties
+}
+
+func (f *CloudWatchRumApp) String() string {
+	return *f.appmonitorname
+}