fix: prevent content overflow on right side of screen

Fixes #23

- Added overflow-x-hidden to body in root layout as defensive measure
- Changed table containers from overflow-hidden to overflow-x-auto
  in admin/players page and RankingsClient (3 tables)
- Added min-w-0 and overflow-hidden to Navigation flex containers
  to prevent links from pushing content off screen
- Added flex-shrink-0 to EuchreCamp wordmark link

src/components/Navigation.tsx

@@ -50,14 +50,14 @@ export default function Navigation() {
     <nav className="bg-white shadow-sm">
       <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
         <div className="flex justify-between h-16">
-          <div className="flex items-center">
+          <div className="flex items-center min-w-0 overflow-hidden">
             <Link 
               href="/wordmark-redirect" 
-              className="text-xl font-bold text-gray-900 no-underline"
+              className="text-xl font-bold text-gray-900 no-underline flex-shrink-0"
             >
               EuchreCamp
             </Link>
-            <div className="hidden md:ml-6 md:flex md:space-x-8">
+            <div className="hidden md:ml-6 md:flex md:space-x-8 min-w-0 overflow-hidden">
               <Link
                 href="/rankings"
                 className="border-transparent text-gray-500 hover:text-gray-700 inline-flex items-center px-1 pt-1 border-b-2 text-sm font-medium"
@@ -110,7 +110,7 @@ export default function Navigation() {
               )}
             </div>
           </div>
-          <div className="flex items-center">
+          <div className="flex items-center min-w-0 overflow-hidden">
             {loading ? (
               <div className="text-gray-500">Loading...</div>
             ) : session ? (