attempt to document sequence

Author: Rich-Harris

packages/kit/src/exports/hooks/sequence.js

@@ -1,4 +1,13 @@
 /**
+ * Merge an array of multiple handlers into one. The `resolve` passed
+ * to the first handler will call the second handler, and so on,
+ * until the last handler calls the framework.
+ *
+ * If handlers use the `transformPageChunk` option, the functions
+ * will be 'chained', meaning a transform function specified in
+ * the first handler will be applied to later handlers, and
+ * multiple transformations can be applied.
+ *
  * @param {...import('types').Handle} handlers
  * @returns {import('types').Handle}
  */