cmd/pkgserver: minimum viable frontend

cmd/pkgserver/main.go

@@ -16,6 +16,7 @@ import (
 	"hakurei.app/message"
 )
 
+//go:generate sh -c "sass ui/static/dark.scss ui/static/dark.css && sass ui/static/light.scss ui/static/light.css && tsc -p ui/static"
 func main() {
 	log.SetFlags(0)
 	log.SetPrefix("pkgserver: ")
@@ -36,6 +37,7 @@ func main() {
 			return err
 		}
 		cache, err := pkg.Open(ctx, msg, 0, baseDir)
+		defer cache.Close()
 		if err != nil {
 			return err
 		}