Ship file viewer, editor improvements, and private package releases

packages/dev-server/src/public.ts

@@ -15,11 +15,17 @@ const CONTENT_TYPES: Record<string, string> = {
   ".js": "text/javascript; charset=utf-8",
   ".json": "application/json; charset=utf-8",
   ".mjs": "text/javascript; charset=utf-8",
+  ".m4a": "audio/mp4",
+  ".mp3": "audio/mpeg",
+  ".mp4": "video/mp4",
+  ".ogg": "audio/ogg",
   ".pdf": "application/pdf",
   ".png": "image/png",
   ".svg": "image/svg+xml",
   ".txt": "text/plain; charset=utf-8",
   ".wasm": "application/wasm",
+  ".wav": "audio/wav",
+  ".webm": "video/webm",
   ".webp": "image/webp",
   ".woff": "font/woff",
   ".woff2": "font/woff2",