How to specific startup option?

Currently, there seems no way to apply options between `bazel` and `[cmd]`, only after `[cmd]` is available (e.g. `-- --config debug`).

My project has multiple bazelrc file, and I'd use `bazel --bazelrc=xxx.bazelrc build //:my_target` to build it. Thus refresh_compile_commands doesn't know this and failed to find the proper bazelrc.