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

internal/foundry/temp_models/db/stats.go

@@ -0,0 +1,11 @@
+package db
+
+type Stats struct {
+	ID uint
+
+	CoreVersion    string
+	SystemID       string
+	SystemVersion  string
+	LastModifiedBy string
+	ModifiedTime   int64
+}