feat: Add contact note item component (#10479)

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

@@ -440,6 +440,15 @@
           }
         }
       }
+    },
+    "SIDEBAR": {
+      "NOTES": {
+        "PLACEHOLDER": "Add a note",
+        "WROTE": "wrote",
+        "YOU": "You",
+        "SAVE": "Save note",
+        "EMPTY_STATE": "There are no notes associated to this contact. You can add a note by typing in the box above."
+      }
     }
   }
 }