i18n-en.yaml in metanorma-ogc-0.2.11

- old
+ new

@@ -1,4 +1,7 @@
 foreword: Preface
 recommendationtest: Recommendation Test
 requirementtest: Requirement Test
 permissiontest: Permission Test
+recommendationclass: Recommendation Class
+requirementclass: Requirement Class
+permissionclass: Permission Class