feat(sponsor): add js to sponsor list 25/26

data/sponsor_news.json

@@ -25,5 +25,14 @@
     "newsURL": "https://www.bloomberg.com",
     "newsImageName": "bloomberg.png",
     "newsDate": "2025-09-22"
+  },
+  {
+    "newsID": 5,
+    "sponsorID": 5,
+    "newsTitle": "Jane Street Partnership",
+    "newsDescription": "We are proud to announce that Jane Street have partnered with Warwick Coding Society as a Bronze Sponsor for the 25/26 year.",
+    "newsURL": "https://www.janestreet.com",
+    "newsImageName": "janestreet.jpg",
+    "newsDate": "2025-10-06"
   }
 ]

data/sponsors.json

@@ -1,6 +1,6 @@
 [
   {
-    "sponsorID": 4,
+    "sponsorID": 5,
     "sponsorName": "Warwick Student's Union",
     "sponsorDescription": "Warwick Student's Union, also known as Warwick SU, is the student union for the University of Warwick. We are an official Warwick SU recognized society and the SU supports us in a variety of ways.",
     "sponsorIndustry": "Academic",
@@ -25,5 +25,14 @@
     "sponsorTier": "Bronze Sponsor",
     "sponsorSiteURL": "https://www.bloomberg.com/company/early-careers/",
     "sponsorImageName": "bloomberg.png"
+  },
+  {
+    "sponsorID": 4,
+    "sponsorName": "Jane Street",
+    "sponsorDescription": "Jane Street is a quantitative trading firm and liquidity provider with a unique focus on technology and collaborative problem solving.",
+    "sponsorIndustry": "Finance",
+    "sponsorTier": "Bronze Sponsor",
+    "sponsorSiteURL": "https://www.janestreet.com/join-jane-street/open-roles/?type=students-and-new-grads&location=london",
+    "sponsorImageName": "janestreet.jpg"
   }
 ]