Update root_index.yaml

add:桂林医科大学适配

index/root_index.yaml

@@ -311,4 +311,9 @@ schools:
   - id: "HUEL"
     name: "河南财经政法大学"
     initial: "H"
-    resource_folder: "HUEL"
+    resource_folder: "HUEL"
+
+  - id: "GLMU"
+    name: "桂林医科大学"
+    initial: "G"
+    resource_folder: "GLMU"