Updates sidebar on dashboard

app/javascript/dashboard/i18n/locale/en/contact.json

@@ -1,5 +1,6 @@
 {
   "CONTACT_PANEL": {
+    "CONVERSATION_TITLE": "Conversation Details",
     "BROWSER": "Browser",
     "OS": "Operating System",
     "INITIATED_FROM": "Initiated from",
@@ -10,7 +11,10 @@
     },
     "LABELS": {
       "NO_RECORDS_FOUND": "There are no labels associated to this conversation.",
-      "TITLE": "Labels"
+      "TITLE": "Conversation Labels",
+      "UPDATE_BUTTON": "Update Labels",
+      "ADD_BUTTON": "Add Labels",
+      "UPDATE_ERROR": "Couldn't update labels, try Again 🧐"
     }
   }
 }