feat: custom json marshaler implementation

pkg/json/map_slice.go

@@ -0,0 +1,18 @@
+package json
+
+type MapSlice[V any] []Map[V]
+
+func (s MapSlice[V]) MarshalJSONTo(buf []byte) []byte {
+	buf = append(buf, '[')
+	i := 0
+	n := len(s)
+	for _, entry := range s {
+		buf = entry.MarshalJSONTo(buf)
+		if i != n-1 {
+			buf = append(buf, ',')
+		}
+		i++
+	}
+	buf = append(buf, ']')
+	return buf
+}