Refactor scripts (#2465)

* Refactor all kinds of scripts

* Update docs to ensure linter passes

scripts/watch-docs.js

@@ -0,0 +1,10 @@
+"use strict"
+
+const path = require("path")
+const chokidar = require("chokidar")
+const generate = require("./generate-docs")
+const command = require("./_command")
+
+chokidar.watch(path.resolve(__dirname, "../docs")).on("all", () => {
+	command.run(() => generate())
+})