Simplify resources code, enabling any resource to be overridden (not just translations)

consts/banner.go

@@ -1,19 +0,0 @@
-package consts
-
-import (
-	"fmt"
-	"strings"
-	"unicode"
-
-	"github.com/navidrome/navidrome/resources"
-)
-
-func loadBanner() string {
-	data, _ := resources.Asset("banner.txt")
-	return strings.TrimRightFunc(string(data), unicode.IsSpace)
-}
-
-func Banner() string {
-	version := "Version: " + Version()
-	return fmt.Sprintf("%s\n%52s\n", loadBanner(), version)
-}

consts/consts.go

@@ -44,7 +44,7 @@ const (
 	I18nFolder   = "i18n"
 	SkipScanFile = ".ndignore"
 
-	PlaceholderAlbumArt = "navidrome-600x600.png"
+	PlaceholderAlbumArt = "placeholder.png"
 	PlaceholderAvatar   = "logo-192x192.png"
 
 	DefaultHttpClientTimeOut = 10 * time.Second