Update maths-programming.json

fix formatting

contests/maths-programming.json

@@ -8,7 +8,7 @@
         "name": "Maths Programming Competition 2",
         "startTime": "2024-03-09T15:00:00.000Z",
         "endTime": "2024-03-09T17:00:00.000Z",
-        "additionalText": "This time, we are excited to announce that we have cash prizes available for grabs. \n Prize:  £50, £20, £10, £10, £10 for top five contestants. Only eligible for paying members. The competition itself it open to everyone. \n Sign up here: <https://forms.office.com/e/Ktdgv3j9qT>\nBuy membership: <https://www.yourunion.net/activities/societies/explore/9403/>"
+        "additionalText": "This time, we are excited to announce that we have cash prizes available for grabs. \n\n Prize:  £50, £20, £10, £10, £10 for top five contestants. Only eligible for paying members. The competition itself it open to everyone. \n\n Sign up here: <https://forms.office.com/e/Ktdgv3j9qT> \n\n Buy membership: <https://www.yourunion.net/activities/societies/explore/9403/>"
     },
     "problems": [
         {