add Range headers support for static files

Many small bug fixes
https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Range
oven-sh/bun#616

README.md

@@ -2,6 +2,10 @@
 
 [Adapter](https://kit.svelte.dev/docs/adapters) for SvelteKit apps that generates a standalone [Bun](https://github.com/oven-sh/bun) server.
 
+> **Warning**
+> **This is experimental module!** Bun does not support many things like [`FormData`](https://github.com/oven-sh/bun/issues/621)
+> So I can't promise it will work
+
 ## Usage
 
 Install with `bun add -d svelte-adapter-bun` or `npm i -D svelte-adapter-bun`, then add the adapter to your `svelte.config.js`:
@@ -62,6 +66,8 @@ The directory to build the server to. It defaults to `build` — i.e. `bun run s
 
 Browse a static assets. Default: `true`
 
+ - [X] Support [HTTP range requests](https://developer.mozilla.org/en-US/docs/Web/HTTP/Range_requests)
+
 ### precompress
 
 Enables precompressing using gzip and brotli for assets and prerendered pages. It defaults to `false`.

index.js

@@ -78,7 +78,7 @@ export default function (opts = {}) {
 				JSON.stringify(package_data, null, "\t")
 			);
 
-			builder.log.success("Start server with: bun /build/index.js")
+			builder.log.success("Start server with: bun ./build/index.js")
 		}
 	};
 }