feat(ClubTeam): add planned league name field and localization updates

- Introduced a new field for planned league name in the ClubTeam model, allowing for better team categorization.
- Updated create and update club team endpoints to handle the new planned league name field.
- Enhanced the PDF generation feature to include planned league name in the output.
- Improved localization files across multiple languages to incorporate new terms related to the planned league, ensuring a consistent user experience.
- Updated the TeamManagementView to display and edit the planned league name, enhancing user interaction.

backend/controllers/clubTeamController.js

@@ -42,7 +42,7 @@ export const createClubTeam = async (req, res) => {
     try {
         const { authcode: token } = req.headers;
         const { clubid: clubId } = req.params;
-        const { name, leagueId, seasonId, teamGender, teamAgeGroup } = req.body;
+        const { name, leagueId, seasonId, teamGender, teamAgeGroup, plannedLeagueName } = req.body;
         
         const user = await getUserByToken(token);
         
@@ -50,13 +50,17 @@ export const createClubTeam = async (req, res) => {
             return res.status(400).json({ error: "missingname" });
         }
         
+        const planned = plannedLeagueName !== undefined && plannedLeagueName !== null
+            ? String(plannedLeagueName).trim() || null
+            : undefined;
         const clubTeamData = {
             name,
             clubId: parseInt(clubId),
             leagueId: leagueId ? parseInt(leagueId) : null,
             seasonId: seasonId ? parseInt(seasonId) : null,
             teamGender: teamGender || 'open',
-            teamAgeGroup: teamAgeGroup || 'adult'
+            teamAgeGroup: teamAgeGroup || 'adult',
+            ...(planned !== undefined ? { plannedLeagueName: planned } : {})
         };
         
         const newClubTeam = await ClubTeamService.createClubTeam(clubTeamData);
@@ -72,7 +76,7 @@ export const updateClubTeam = async (req, res) => {
     try {
         const { authcode: token } = req.headers;
         const { clubteamid: clubTeamId } = req.params;
-        const { name, leagueId, seasonId, teamGender, teamAgeGroup } = req.body;
+        const { name, leagueId, seasonId, teamGender, teamAgeGroup, plannedLeagueName } = req.body;
         
         const user = await getUserByToken(token);
         
@@ -82,6 +86,11 @@ export const updateClubTeam = async (req, res) => {
         if (seasonId !== undefined) updateData.seasonId = seasonId ? parseInt(seasonId) : null;
         if (teamGender !== undefined) updateData.teamGender = teamGender || 'open';
         if (teamAgeGroup !== undefined) updateData.teamAgeGroup = teamAgeGroup || 'adult';
+        if (plannedLeagueName !== undefined) {
+            updateData.plannedLeagueName = plannedLeagueName === null || plannedLeagueName === ''
+                ? null
+                : String(plannedLeagueName).trim() || null;
+        }
         
         const success = await ClubTeamService.updateClubTeam(clubTeamId, updateData);
         if (!success) {