docs: Note that 'pixi task list' gets task list

pages/docs/webdev.md

@@ -92,6 +92,12 @@ pixi install
 
 Use the `pixi` task runner to execute the tasks defined in `pixi.toml`, which can be listed at the command line with
 
+```console
+pixi task list
+```
+
+or
+
 ```console
 pixi info
 ```