add new models, change migration files, prepare to add all new tables from models

internal/foundry/temp_models/db/playlist.go

@@ -0,0 +1,34 @@
+package db
+
+type Playlist struct {
+	ID string
+
+	Name        string
+	Folder      string
+	Sorting     string
+	Description string
+	Channel     string
+	Mode        int
+	Fade        int
+	Seed        int
+	Sort        int
+	Playing     bool
+	Stats       Stats
+	Ownership   []OwnershipString
+	Sounds      []Sound
+}
+
+type Sound struct {
+	ID string
+
+	Name        string
+	Path        string
+	Channel     string
+	Description string
+	Fade        int
+	Sort        int
+	Repeat      bool
+	Playing     bool
+	Volume      float64
+	PausedTime  float64
+}