feat: add Save button to CreateContentsPage for improved user interaction

app/pages/contents-create/index.tsx

@@ -118,6 +118,14 @@ export const CreateContentsPage = () => {
               labelClassName="text-sm font-medium text-[#363636]"
               containerClassName="flex-1"
             />
+            <Button
+              disabled={disabled}
+              type="submit"
+              size="lg"
+              className="text-md h-[42px] rounded-md"
+            >
+              Save
+            </Button>
           </div>
           <div className="flex items-end justify-between gap-4">
             <Combobox
@@ -159,14 +167,6 @@ export const CreateContentsPage = () => {
               className="border-0 bg-white shadow focus:ring-1 focus:ring-[#2E2F7C] focus:outline-none"
               labelClassName="text-sm font-medium text-[#363636]"
             />
-            <Button
-              disabled={disabled}
-              type="submit"
-              size="lg"
-              className="text-md h-[42px] rounded-md"
-            >
-              Save
-            </Button>
           </div>
 
           <TextEditor