Add results for Gemini 1.5 Pro (#5)

- Add results for Gemini 1.5 Pro (afbfe2d99e31fb781103a17819c99ff206f9ced7)
- Update the overall score for Gemini1.5 Pro (b8707f6f669a535a20121e130d407a5777eb4326)


Co-authored-by: LELE CAO <[email protected]>

leaderboard/leaderboard.json

@@ -1,5 +1,28 @@
 {
     "models": [
+      {
+        "name": "Gemini1.5-Pro",
+        "url": "https://deepmind.google/technologies/gemini",
+        "scores": {
+          "Mean": 0.368,
+          "Exist": 0.437,
+          "Count": 0.389,
+          "Posi": 0.357,
+          "Col": 0.474,
+          "Post": 0.374,
+          "Cel": 0.362,
+          "Sce": 0.423,
+          "Lan": 0.375,
+          "Art": 0.412,
+          "Comm": 0.464,
+          "VisMean": 0.407,
+          "Code": 0.213,
+          "Num": 0.268,
+          "Tran": 0.240,
+          "OCR": 0.367,
+          "TextMean": 0.272
+        }
+      },
       {
         "name": "Claude3-Opus",
         "url": "https://www.anthropic.com/news/claude-3-family",