Add AlbumPlayCountMode config option (#2803)

Closes #1032

* feat(album_repository.go): add kodi-style album playcount option - #1032

Signed-off-by: Victor van der Veen <vvdveen@gmail.com>

* fix format issue and remove reference to kodi (now normalized)

Signed-off-by: Victor van der Veen <vvdveen@gmail.com>

* reduced complexity but added rounding

Signed-off-by: Victor van der Veen <vvdveen@gmail.com>

* Use constants for AlbumPlayCountMode values

---------

Signed-off-by: Victor van der Veen <vvdveen@gmail.com>
Co-authored-by: Deluan <deluan@navidrome.org>

conf/configuration.go

@@ -44,6 +44,7 @@ type configOptions struct {
 	EnableMediaFileCoverArt      bool
 	TranscodingCacheSize         string
 	ImageCacheSize               string
+	AlbumPlayCountMode           string
 	EnableArtworkPrecache        bool
 	AutoImportPlaylists          bool
 	PlaylistsPath                string
@@ -289,6 +290,7 @@ func init() {
 	viper.SetDefault("enabletranscodingconfig", false)
 	viper.SetDefault("transcodingcachesize", "100MB")
 	viper.SetDefault("imagecachesize", "100MB")
+	viper.SetDefault("albumplaycountmode", consts.AlbumPlayCountModeAbsolute)
 	viper.SetDefault("enableartworkprecache", true)
 	viper.SetDefault("autoimportplaylists", true)
 	viper.SetDefault("playlistspath", consts.DefaultPlaylistsPath)