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

internal/foundry/temp_models/db/grid.go

@@ -0,0 +1,15 @@
+package db
+
+type Grid struct {
+	ID uint
+
+	Type      int
+	Size      int
+	Distance  int
+	Diagonals int
+	Thickness int
+	Alpha     float64
+	Color     string
+	Units     string
+	Style     string
+}