Extend Redis and RabbitMQ instance parameters (#431)

* Extend RabbitMQ instance parameters (#409)

* Extend Schema

* initial parameter integration in resource

* datasource, resource and acceptance testing

* add docs, fix map fields edge case

* improve testing

* rename tls_protocols to singular

* revert renaming

* Extend Redis instance parameters (#410)

* Extend Schema

* initial parameter integration in resource

* datasource, resource and acceptance testing

* add docs, fix map fields edge case

* improve testing

* rename tls_protocols to singular

* revert renaming

* initial schema

* resource and datasource

* acceptance testing

* fix linting and testing, generate docs

* improve acceptance testing

---------

Co-authored-by: Diogo Ferrão <diogo.ferrao@freiheit.com>

stackit/internal/conversion/conversion.go

@@ -87,3 +87,22 @@ func BoolValueToPointer(s basetypes.BoolValue) *bool {
 	value := s.ValueBool()
 	return &value
 }
+
+// StringListToPointer converts basetypes.ListValue to a pointer to a list of strings.
+// It returns nil if the value is null or unknown.
+func StringListToPointer(list basetypes.ListValue) (*[]string, error) {
+	if list.IsNull() || list.IsUnknown() {
+		return nil, nil
+	}
+
+	listStr := []string{}
+	for i, el := range list.Elements() {
+		elStr, ok := el.(types.String)
+		if !ok {
+			return nil, fmt.Errorf("element %d is not a string", i)
+		}
+		listStr = append(listStr, elStr.ValueString())
+	}
+
+	return &listStr, nil
+}