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

internal/foundry/temp_models/db/foundry_data.go

@@ -0,0 +1,19 @@
+package db
+
+import "time"
+
+type FoundryDataType string
+
+const (
+	SetupType = FoundryDataType("setup")
+	GameType  = FoundryDataType("game")
+)
+
+type FoundryData struct {
+	ID uint
+
+	Type      FoundryDataType
+	Setup     *Setup
+	Game      *Game
+	CreatedAt time.Time
+}