Add strings.

en.json

@@ -132,6 +132,9 @@
                 "language": {
                     "title": "Language"
                 },
+                "donate": {
+                    "title": "Donate"
+                },
                 "logOut": "Log Out"
             }
         },
@@ -243,6 +246,8 @@
         "now_friends": "You are now friends with @{{person}}!"
     },
     "error": {
+        "network_error": "Network error.",
+        "unauthorized": "Unauthorized.",
         "unlabelled": "Something happened.",
         "failed_validation": "Failed to validate fields.",
         "database_error": "Database error.",