Invite: fix "none yet" message on users created

lang/telegram/en-gb.json

@@ -0,0 +1,5 @@
+{
+    "meta": {
+        "name": "English (GB)"
+    }
+}

lang/telegram/en-us.json

@@ -0,0 +1,11 @@
+{
+    "meta": {
+        "name": "English (US)"
+    },
+    "strings": {
+        "startMessage": "Hi!\nEnter your Jellyfin PIN code here to verify your account.",
+        "invalidPIN": "That PIN was invalid, try again.",
+        "pinSuccess": "Success! You can now return to the sign-up page.",
+        "languageMessage": "Note: See available languages with /lang, and set language with /lang <language code>."
+    }
+}