change whole backend and tables for gorm table references

simplify tables with table components close #31

src/vueLib/models/responsible.ts

@@ -0,0 +1,9 @@
+import type { Member } from './member';
+
+export interface Responsible {
+  id: number;
+  memberId: number;
+  member: Member;
+}
+
+export type Responsibles = Responsible[];