move to vite, landing page, add more shapes

vite.config.js

@@ -0,0 +1,17 @@
+import { resolve } from 'path';
+import { defineConfig } from 'vite';
+
+// one html entry per exploration; add new pages here and in src/
+const pages = ['index', 'metatron', 'torus', 'matrix', 'phyllotaxis', 'flower', 'seed'];
+
+export default defineConfig({
+    root: 'src',
+    base: './',
+    build: {
+        outDir: '../build',
+        emptyOutDir: true,
+        rollupOptions: {
+            input: Object.fromEntries(pages.map((page) => [page, resolve(__dirname, `src/${page}.html`)])),
+        },
+    },
+});