feat: add gen enum command

pkg/utils/generator/example_1.18_test.go

@@ -0,0 +1,22 @@
+//go:build go1.18
+// +build go1.18
+
+package generator
+
+// SumIntsOrFloats sums the values of map m. It supports both int64 and float64
+// as types for map values.
+func SumIntsOrFloats[K comparable, V int64 | float64](m map[K]V) V {
+	var s V
+	for _, v := range m {
+		s += v
+	}
+	return s
+}
+
+// ChangeType is a type of change detected.
+/* ENUM(
+	Create
+	Update
+	Delete
+) */
+type ChangeType int