Fix different header cases handling to data loading section

app.py

@@ -24,17 +24,25 @@ df2_all = pd.read_excel(
 # Handle special header cases
 df1 = {}
 for sheet, raw_df in df1_all.items():
-    if sheet == "PY Event Diary":
-        # use row 2 as header
+    if sheet == "Budget":
+        # use row 3 as header
         df1[sheet] = pd.read_excel(
             os.path.join("data_source", "OC Onboarding Information.xlsx"),
             sheet_name=sheet,
-            header=1
+            header=2
+        )
+    elif sheet == "Rooms per category":
+        # use row 4 as header
+        df1[sheet] = pd.read_excel(
+            os.path.join("data_source", "OC Onboarding Information.xlsx"),
+            sheet_name=sheet,
+            header=3
         )
     else:
         df1[sheet] = pd.read_excel(
             os.path.join("data_source", "OC Onboarding Information.xlsx"),
-            sheet_name=sheet
+            sheet_name=sheet,
+            header=1
         )
 
 df2 = {}