feat: add animated bike icon to assign bike modal header and fix indentation formatting

src/app/admin/investors/[id]/page.tsx

@@ -3344,7 +3344,10 @@ export default function InvestorDetailPage() {
         <div className="fixed inset-0 bg-black/50 flex items-center justify-center z-50 p-4">
           <div className="bg-white rounded-xl shadow-xl w-full max-w-md">
             <div className="p-5 border-b border-slate-100 flex items-center justify-between">
-              <h2 className="text-lg font-bold text-slate-800">Assign Bike to Investor</h2>
+              <h2 className="text-lg font-bold text-investor flex items-center gap-2">
+                <Bike className="w-5 h-5 text-investor animate-bounce" />
+                Assign Bike to Investor
+              </h2>
               <button onClick={() => setShowAssignBikeModal(false)} className="p-2 hover:bg-slate-100 rounded-lg">
                 <X className="w-5 h-5 text-slate-400" />
               </button>