feat: added keyword codec (partially works)

parser/decoders/yaml.go

@@ -18,16 +18,24 @@ func Yaml(input string, block template.Block) (value any, error error) {
 
 	var out any
 	for _, f := range block.Fields {
-		if f.Hidden {
+
+		if f.Path == "@schema" {
 			continue
 		}
+
 		if f.CodecType == template.CodecConst {
 			if f.Value != nil {
 				out = utils.SetPathValue(f.Path, f.Value, out)
 			}
 		} else {
+			if value, ok := res[f.Path]; ok {
+				out = utils.SetPathValue(f.Path, value, out)
+				continue
+			}
+
 			if value, ok := renderUtils.GetValueFromPath(res, f.Path); ok {
 				out = utils.SetPathValue(f.Path, value, out)
+				continue
 			}
 		}
 	}