feat: install moo and use in toy example (#2)

I failed to find a satisfactory way to compile and import moo.js with
  fixed specifiers, so finally I just gave up and patched the distributed
  moo code to be an es6 module. Very ugly but it works.

Resolves #1.

Reviewed-on: #2
Co-authored-by: Glen Whitney <glen@studioinfinity.org>
Co-committed-by: Glen Whitney <glen@studioinfinity.org>

etc/streamToString.js

@@ -0,0 +1,10 @@
+export async function streamToString(stream) {
+   // lets have a ReadableStream as a stream variable
+   const chunks = [];
+
+   for await (const chunk of stream) {
+      chunks.push(Buffer.from(chunk));
+   }
+
+   return Buffer.concat(chunks).toString("utf-8");
+}

etc/testscript.html

@@ -5,8 +5,8 @@
     <title>vrml1to97 test</title>
     <script>
       (async () => {
-        const vrml1to97 = await import('../dist/index.js')
-        console.log(vrml1to97.convert('test'))
+        const vrml1to97 = await import('../dist/vrml1to97/index.js')
+        console.log(vrml1to97.convert('if (moo) cows // hurray'))
       })()
     </script>
   </head>

etc/vrml1to97.js

@@ -1,18 +1,8 @@
 #!/usr/bin/env node
 
-import {convert} from './index.js'
+import {convert} from './vrml1to97/index.js'
 import {stdin, argv} from 'node:process'
-
-async function streamToString(stream) {
-   // lets have a ReadableStream as a stream variable
-   const chunks = [];
-
-   for await (const chunk of stream) {
-      chunks.push(Buffer.from(chunk));
-   }
-
-   return Buffer.concat(chunks).toString("utf-8");
-}
+import {streamToString} from './streamToString.js'
 
 if (argv.length > 2) {
    console.log('Usage: vrml1to97 < old.wrl > shinynew.wrl')