build: separate sveld into a separate build script

rollup.config.js

@@ -3,7 +3,6 @@ import pkg from "./package.json";
 import resolve from "@rollup/plugin-node-resolve";
 import commonjs from "@rollup/plugin-commonjs";
 import svelte from "rollup-plugin-svelte";
-import sveld from "sveld";
 
 export default ["es", "umd"].map((format) => {
   const UMD = format === "umd";
@@ -23,24 +22,6 @@ export default ["es", "umd"].map((format) => {
       resolve(),
       commonjs(),
       UMD && terser(),
-      UMD &&
-        sveld({
-          glob: true,
-          markdown: true,
-          markdownOptions: {
-            onAppend: (type, document, components) => {
-              if (type === "h1")
-                document.append(
-                  "quote",
-                  `${components.size} components exported from ${pkg.name}@${pkg.version}.`
-                );
-            },
-          },
-          json: true,
-          jsonOptions: {
-            outFile: "docs/src/COMPONENT_API.json",
-          },
-        }),
     ],
   };
 });