fix: keep release archive wrapped in a folder

scripts/package-release-archive.mjs

@@ -4,16 +4,20 @@ import path from "node:path";
 import { pipeline } from "node:stream/promises";
 import yazl from "yazl";
 
-export async function createReleaseArchive({ archivePath, sourceDir }) {
+export async function createReleaseArchive({
+  archivePath,
+  rootDirName = "star-chart-search-enhancer-internal",
+  sourceDir
+}) {
   const zip = new yazl.ZipFile();
   const output = createWriteStream(archivePath);
 
-  await addDirectory(zip, sourceDir, sourceDir);
+  await addDirectory(zip, sourceDir, sourceDir, rootDirName);
   zip.end();
   await pipeline(zip.outputStream, output);
 }
 
-async function addDirectory(zip, rootDir, currentDir) {
+async function addDirectory(zip, rootDir, currentDir, rootDirName) {
   const entries = await readdir(currentDir, { withFileTypes: true });
   entries.sort((left, right) => left.name.localeCompare(right.name));
 
@@ -22,12 +26,12 @@ async function addDirectory(zip, rootDir, currentDir) {
     const relativePath = path.relative(rootDir, absolutePath);
 
     if (entry.isDirectory()) {
-      await addDirectory(zip, rootDir, absolutePath);
+      await addDirectory(zip, rootDir, absolutePath, rootDirName);
       continue;
     }
 
     if (entry.isFile()) {
-      zip.addFile(absolutePath, relativePath);
+      zip.addFile(absolutePath, path.join(rootDirName, relativePath));
     }
   }
 }