GEL defect and ui changes

locales/cy/common.json

@@ -2,6 +2,7 @@
   "gov-wales-link": "https://llyw.cymru",
   "gov-wales-label": "LLYW.CYMRU",
   "service-name": "Cynllunio gwaith achos",
+  "service-name-breadcrumb": "Hafan",
   "new-service-beta": "Mae hwn yn wasanaeth newydd",
   "breadcrumb-back-link": "Yn ôl",
   "error-radio": "Dewiswch opsiwn",
@@ -16,6 +17,8 @@
   "footer-cookies-link": "Chwcis",
   "footer-accessibility-link": "Hygyrchedd",
   "footer-feedback-link": "Adborth",
+  "footer-copyright-link": "Datganiad hawlfraint",
+  "footer-alternative-languages-link": "Ieithoedd amgen",
   "mobile-nav-label": "Dewislen",
   "signout-label": "Cofrestrwch allan",
   "back-to-top-link": "Nôl i dop y dudalen",