QR code pattern (#1288)

## Description:

Add a QR code pattern for openfront.io


![image](https://github.com/user-attachments/assets/c4b98c37-4e60-4fab-9761-799fb9db9e6c)

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [x] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

resources/cosmetics/cosmetics.json

@@ -72,6 +72,10 @@
       "name": "white_rabbit",
       "role_group": "donor"
     },
+    "AMpkAAAA8DfCnyAQgnTl0KVrvS5d73UJkinIX1V_ABQD8BQ8l5WRRViBLOAEHw7_CtbhfP-ItdU0AmI8wrTwH4DbqPxpVCdIMhJdOL_our9PV681gg6s8BeFHwAAAAA": {
+      "name": "openfront_qr",
+      "role_group": "donor"
+    },
     "AAIiAAAAAAAAAAAAAAAAAAAAAIDD8YnweTiiD5FIYEIgEpkIRCKBCoFIpCIQeTwyPB6RjEAkEIgQKEQiApFAIEIgEYkIOAKfCIGIIyIAAAAAAAAAAAA": {
       "name": "openfront",
       "role_group": "creator"

resources/lang/en.json

@@ -500,6 +500,7 @@
       "vertical_bars": "Vertical Bars",
       "-w-": ".w.",
       "white_rabbit": "White Rabbit",
+      "openfront_qr": "OpenFront.io QR code",
       "openfront": "OpenFront"
     }
   }