Add makeCalendarFeed

src/lib/html.ts

@@ -21,6 +21,7 @@ export type ScrollerOpts = {
   onScroll: () => any
   element: Element
   threshold?: number
+  reverse?: boolean
   delay?: number
 }
 
@@ -34,6 +35,7 @@ export const createScroller = ({
   element,
   delay = 1000,
   threshold = 2000,
+  reverse = false,
 }: ScrollerOpts) => {
   let done = false