updated manual

docs/schema.typ

@@ -11,4 +11,5 @@
 /// This functions
 /// - structures (dictionary): A schema dictionary, as returned by #doc-ref("schema.load")
 /// - config (auto, dictionary): The configuration parameters, as returned by #doc-ref("config.config")
-#let render(structures, config: auto)
+/// - width (ratio, length): The width of the generated figure
+#let render(structures, config: auto, width: 100%) = {}