editor:enable editor to format on save (bpftrace#4072)

Signed-off-by: Jiawei Zhao <[email protected]>

Author: Phoenix500526

.vscode/settings.json

@@ -3,5 +3,7 @@
     "clangd.arguments": [
         "-background-index",
         "-compile-commands-dir=${workspaceFolder}/build-vscode"
-    ]
-}
+    ],
+    "editor.formatOnSave": true,
+    "C_Cpp.clang_format_style": "file"
+}