Add 2 models

- gemma-2b-it
- gemma-7b-it

models_info.json

@@ -232,5 +232,17 @@
         "Qianwen LICENSE",
         "Alibaba",
         "https://huggingface.co/Qwen/Qwen1.5-72B-Chat"
+    ],
+    "gemma-2b-it": [
+        "Gemma-2B-it",
+        "Gemma license",
+        "Google",
+        "https://huggingface.co/google/gemma-2b-it"
+    ],
+    "gemma-7b-it": [
+        "Gemma-7B-it",
+        "Gemma license",
+        "Google",
+        "https://huggingface.co/google/gemma-7b-it"
     ]
 }