Split async data types into separate modules (#135)

Isolate async data types into their own modules. Create a top-level `async` module to aggregate the exports.

package.json

@@ -36,6 +36,12 @@
 	"exports": {
 		"./_*": null,
 		"./annotation.js": "./dist/annotation.js",
+		"./async.js": "./dist/async.js",
+		"./async/annotation.js": "./dist/async/annotation.js",
+		"./async/either.js": "./dist/async/either.js",
+		"./async/ior.js": "./dist/async/ior.js",
+		"./async/maybe.js": "./dist/async/maybe.js",
+		"./async/validation.js": "./dist/async/validation.js",
 		"./builder.js": "./dist/builder.js",
 		"./cmb.js": "./dist/cmb.js",
 		"./cmp.js": "./dist/cmp.js",

src/_test/utils.ts

@@ -20,10 +20,6 @@ import { Semigroup, cmb } from "../cmb.js";
 import { Eq, Ord, Ordering, eq, le } from "../cmp.js";
 import type { Builder } from "../builder.js";
 
-export function delay(ms: number): Promise<void> {
-	return new Promise((resolve) => setTimeout(resolve, ms));
-}
-
 export class Num implements Ord<Num> {
 	constructor(readonly val: number) {}