update the file structure update Initialise function , update interface and update code and write table test cases

shared/plugin/definition/validator.go

@@ -0,0 +1,16 @@
+package definition
+
+import (
+	"context"
+	"net/url"
+)
+
+// Validator interface for schema validation
+type Validator interface {
+	Validate(ctx context.Context, url url.URL, payload []byte) (bool, error)
+}
+
+// ValidatorProvider interface for creating validators
+type ValidatorProvider interface {
+	New(ctx context.Context, config map[string]string) (map[string]Validator, error)
+}