fix: Type JPG upload issue fix on explore page under admin (#1170)

Co-authored-by: Himanshi Agrawal <v-himagrawal@microsoft.com>

Author: Himanshi-Mirosoft

code/backend/batch/utilities/helpers/config/default.json

@@ -96,6 +96,17 @@
         "strategy": "layout"
       }
     },
+    {
+      "document_type": "jpeg",
+      "chunking": {
+        "strategy": "layout",
+        "size": 500,
+        "overlap": 100
+      },
+      "loading": {
+        "strategy": "layout"
+      }
+    },
     {
       "document_type": "png",
       "chunking": {