Exclude hidden assets from builds and record deployment checks

scripts/build.mjs

@@ -1,5 +1,6 @@
 import { cp, mkdir, rm } from 'node:fs/promises';
 import { fileURLToPath } from 'node:url';
+import { basename } from 'node:path';
 
 const root = new URL('../', import.meta.url);
 const output = new URL('dist/', root);
@@ -8,6 +9,9 @@ const publicFiles = ['index.html', 'assets', 'favicon.ico', 'favicon.svg', 'site
 await rm(output, { recursive: true, force: true });
 await mkdir(output, { recursive: true });
 for (const filename of publicFiles) {
-  await cp(new URL(filename, root), new URL(filename, output), { recursive: true });
+  await cp(new URL(filename, root), new URL(filename, output), {
+    recursive: true,
+    filter: (source) => !basename(source).startsWith('.'),
+  });
 }
 console.log(`Static site built at ${fileURLToPath(output)}`);