- feat: remove unnecessary migrations, controllers and models files.

- feat: metable store
- feat: metable store with settings store.
- feat: settings middleware to auto-save and load.
- feat: DI db manager to master container.
- feat: write some logs to sale invoices.

server/src/interfaces/Options.ts

@@ -0,0 +1,11 @@
+
+
+export interface IOptionDTO {
+  key: string,
+  value: string|number,
+  group: string,
+};
+
+export interface IOptionsDTO {
+  options: IOptionDTO[],
+};