feat (FE): hide organizers team from leaderboard and teams pages

Author: kirwako

frontend/src/pages/Admin/Teams.jsx

@@ -229,7 +229,7 @@ export default function TeamManagement() {
               </tr>
             </thead>
             <tbody>
-              {teams.map((team) => (
+              {teams.filter(team => team.teamName != "organizers").map((team) => (
                 <tr key={team._id} className="border-t border-gray-800 hover:bg-gray-800/50">
                   <td className="py-4 px-6">
                     <div className="text-white">{team.teamName}</div>

frontend/src/pages/Dashboard/LeaderBoard.jsx

@@ -102,7 +102,7 @@ export default function Leaderboard() {
 
       <CardContent className="pt-6">
         <ul className="space-y-4">
-          {teams.map((team, index) => (
+          {teams.filter(team => team.teamName != "organizers").map((team, index) => (
             <li
               key={team._id}
               className={`group relative flex flex-col sm:flex-row sm:items-center justify-between px-4 py-3 rounded-xl transition-all duration-300 ${

frontend/src/pages/PublicLeaderboard.jsx

@@ -94,7 +94,7 @@ const PublicLeaderboard = () => {
           </div>
 
           <div className="divide-y divide-gray-700">
-            {leaderboard.map((team) => (
+            {leaderboard.filter(team => team.teamName != "organizers").map((team) => (
               <div
                 key={team.rank}
                 className={`grid grid-cols-12 p-4 items-center ${