Add bsb remark

Author: nojaf

server/src/bsc-args/bsb.ts

@@ -5,6 +5,9 @@ import { buildNinjaPartialPath } from "../constants";
 
 export type BsbCompilerArgs = string[];
 
+// TODO: I guess somewhere in here, when the version is v12 beta 10 or later,
+// We need to pass -rescript-runtime as argument as well.
+
 export async function getBsbBscArgs(
   entry: IncrementallyCompiledFileInfo,
 ): Promise<BsbCompilerArgs | null> {