Add some logging related stubs to express backend

express/logging.ts

@@ -1,5 +1,7 @@
 // internal-logging.ts
 
+import { cli } from "./cli";
+
 // FIXME: Move this to somewhere more appropriate
 type AtLeastOne<T> = [T, ...T[]];
 
@@ -32,6 +34,9 @@ type FilterArgument = {
 
 const log = (_message: Message) => {
     // WRITEME
+    console.log(
+        `will POST a message to ${cli.logAddress.host}:${cli.logAddress.port}`,
+    );
 };
 
 const getLogs = (filter: FilterArgument) => {