add available column to server type list

Author: phm07

docs/reference/manual/hcloud_server-type_list.md

@@ -37,13 +37,18 @@ var ListCmd = &base.ListCmd[*hcloud.ServerType, schema.ServerType]{
 			AddFieldFn("location", func(serverType *hcloud.ServerType) string {
 				now := time.Now()
 				return strings.Join(
-					sliceutil.Transform(
-						slices.DeleteFunc(
-							slices.Clone(serverType.Locations),
-							func(l hcloud.ServerTypeLocation) bool { return l.IsDeprecated() && l.UnavailableAfter().Before(now) },
-						),
-						func(l hcloud.ServerTypeLocation) string { return l.Location.Name },
-					),
+					listLocationNames(serverType, func(l hcloud.ServerTypeLocation) bool {
+						return l.IsDeprecated() && l.UnavailableAfter().Before(now)
+					}),
+					",",
+				)
+			}).
+			AddFieldFn("available", func(serverType *hcloud.ServerType) string {
+				now := time.Now()
+				return strings.Join(
+					listLocationNames(serverType, func(l hcloud.ServerTypeLocation) bool {
+						return (l.IsDeprecated() && l.UnavailableAfter().Before(now)) || !l.Available
+					}),
 					",",
 				)
 			}).
@@ -79,3 +84,10 @@ var ListCmd = &base.ListCmd[*hcloud.ServerType, schema.ServerType]{
 
 	Schema: hcloud.SchemaFromServerType,
 }
+
+func listLocationNames(serverType *hcloud.ServerType, del func(hcloud.ServerTypeLocation) bool) []string {
+	return sliceutil.Transform(
+		slices.DeleteFunc(slices.Clone(serverType.Locations), del),
+		func(l hcloud.ServerTypeLocation) string { return l.Location.Name },
+	)
+}