DOC: Add namespaced example to disableLog doc. (#1150)

It probably won't be used that often, but "ui.setTheme" seemed the least spoilery function name to use as an example.

src/ScriptEditor/NetscriptDefinitions.d.ts

@@ -5689,6 +5689,8 @@ export interface NS {
    *
    * Logging can be disabled for all functions by passing `ALL` as the argument.
    *
+   * For specific interfaces, use the form "namespace.functionName". (e.g. "ui.setTheme")
+   *
    * @param fn - Name of function for which to disable logging.
    */
   disableLog(fn: string): void;