Implement cross-club friendly match concept with invitations and shared matches

- Added controllers for handling friendly match invitations and shared matches.
- Created migration scripts for `friendly_match_invitation` and `friendly_match_shared` tables.
- Developed models for `FriendlyMatchInvitation` and `FriendlyMatchShared`.
- Established routes for managing invitations and shared matches.
- Implemented services for business logic related to invitations and shared matches.
- Documented the concept plan for the new feature including API endpoints and data models.

backend/server.js

@@ -15,6 +15,7 @@ import {
   GroupActivity, Tournament, TournamentGroup, TournamentMatch, TournamentResult,
   TournamentMember, Accident, UserToken, OfficialTournament, OfficialCompetition, OfficialCompetitionMember, MyTischtennis, ClickTtAccount, MyTischtennisUpdateHistory, MyTischtennisFetchLog, ApiLog, MemberTransferConfig, MemberContact, MemberTtrHistory, MemberPlayInterest,
   MemberOrder, MemberOrderHistory, MemberGroupPhoto, BillingTemplate, BillingTemplateField, BillingRun, BillingDocument, BillingDocumentValue, BillingUserSetting, FriendlyMatch, TrainingCancellation
+  , FriendlyMatchShared, FriendlyMatchInvitation
   , CalendarEvent
 } from './models/index.js';
 import authRoutes from './routes/authRoutes.js';
@@ -61,6 +62,8 @@ import memberOrderRoutes from './routes/memberOrderRoutes.js';
 import memberGroupPhotoRoutes from './routes/memberGroupPhotoRoutes.js';
 import billingRoutes from './routes/billingRoutes.js';
 import friendlyMatchRoutes from './routes/friendlyMatchRoutes.js';
+import friendlyMatchSharedRoutes from './routes/friendlyMatchSharedRoutes.js';
+import friendlyMatchInvitationRoutes from './routes/friendlyMatchInvitationRoutes.js';
 import calendarRoutes from './routes/calendarRoutes.js';
 import calendarEventRoutes from './routes/calendarEventRoutes.js';
 import schedulerService from './services/schedulerService.js';
@@ -356,7 +359,9 @@ app.use('/api/training-cancellations', trainingCancellationRoutes);
 app.use('/api/member-orders', memberOrderRoutes);
 app.use('/api/member-group-photos', memberGroupPhotoRoutes);
 app.use('/api/billing', billingRoutes);
+app.use('/api/friendly-matches', friendlyMatchSharedRoutes);
 app.use('/api/friendly-matches', friendlyMatchRoutes);
+app.use('/api/friendly-match-invitations', friendlyMatchInvitationRoutes);
 app.use('/api/calendar', calendarRoutes);
 app.use('/api/calendar-events', calendarEventRoutes);
 
@@ -613,6 +618,8 @@ app.use((err, req, res, next) => {
     await safeSync(BillingDocumentValue);
     await safeSync(BillingUserSetting);
     await safeSync(FriendlyMatch);
+    await safeSync(FriendlyMatchInvitation);
+    await safeSync(FriendlyMatchShared);
     await safeSync(ClubTeam);
     await safeSync(TrainingCancellation);
     await safeSync(CalendarEvent);