chore(credits): add Psychotoxical to the Contributors grid (#286)

The maintainers panel already shows who the maintainers are, but doesn't
say what they've actually built. Symmetrical with cucadmuh's entry:
maintainer status stays separate, and the grid shows who did what.

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/pages/Settings.tsx

@@ -211,6 +211,57 @@ const CONTRIBUTORS = [
       'WebView2 idle hooks when Tauri windows are hidden — Windows GPU and compositor mitigation (PR #273)',
     ],
   },
+  {
+    github: 'Psychotoxical',
+    since: '1.0.0',
+    contributions: [
+      'Initial app scaffold — Tauri v2 + React + Zustand + Subsonic protocol, multi-server auth (v1.0)',
+      'Rust/rodio audio engine replacing Howler.js (v1.2)',
+      'Waveform seekbar, MilkDrop visualizer, EQ bars (v1.3)',
+      '10-band parametric equalizer with per-theme UI (v1.5)',
+      'Replay Gain, Crossfade, Download Folder Modal (v1.6)',
+      'Last.fm scrobbling, Similar Artists, Statistics page (v1.7)',
+      'TooltipPortal + CustomSelect portal-based UI primitives (v1.7)',
+      'Keybindings system + font picker (v1.9)',
+      'Lyrics system with LRCLIB integration (v1.12)',
+      'Queue management overhaul + DnD (v1.22)',
+      'Advanced Search + Genre Mix overhaul (v1.23)',
+      'Playlist Management — create/edit/cover upload, drag reorder (v1.24)',
+      'Functional tray icon, Minimize to Tray, Sidebar customization (v1.25)',
+      'Bulk Select, Song Info modal, Recently Played (v1.26)',
+      'In-App Auto-Update + Configurable Home (v1.27)',
+      'Infinite Queue + Start Radio + single-click play (v1.28)',
+      'Internet Radio with fast-start, ICY metadata support (v1.29)',
+      'Discord Rich Presence, offline bulk download, artist images, lazy loading (v1.30)',
+      'AutoEQ integration, resizable tracklist columns (v1.31)',
+      'Genre browser with filter + FLAC seek fix (v1.20)',
+      'Fullscreen Player with dynamic accent color + mesh blobs (v1.34)',
+      'Bit-perfect hi-res playback + underrun hardening (v1.34)',
+      'Fullscreen lyrics overlay with FsArt crossfade (v1.34.1)',
+      'Offline Mode (beta) + MPRIS seek (v1.18)',
+      'NSIS Windows installer (v1.19)',
+      'WCAG contrast audits across 60+ themes (v1.17-v1.34)',
+      'Custom Linux title bar with now-playing display (v1.34)',
+      'Device Sync — fixed cross-OS naming scheme + playlist folders (v1.40)',
+      'macOS signing + notarization + Tauri auto-updater (v1.40)',
+      'Mini player — floating window, custom titlebar, queue DnD, persistent geometry, keyboard shortcut, WebView2 lifecycle fix (PR #162, v1.42.x)',
+      '67 themes across 8 groups (Mediaplayer, OS, Games, Movies, Series, Social Media, OSS Classics, Psysonic)',
+      'Admin-gated User Management tab with per-user library assignment (PR #222)',
+      'Comprehensive mobile UI overhaul (PR #238)',
+      'Runtime log levels and debug log export (PR #241)',
+      'ReplayGain Auto mode — picks track vs album gain from queue context (PR #242)',
+      'Now-Playing Info tab with artist bio, song credits, Bandsintown tour dates (PR #244)',
+      'Performance suite — search cover cache, DeviceSync N+1, Albums prefetch, Lyrics IDB, bundle splitting, Artists memo, Genres pagination (PRs #245-#251)',
+      'Artist page — user-configurable section visibility and order (PR #254)',
+      'Album enqueue via cover hover, context menu, multi-select toolbar (PR #256)',
+      'Settings refactor — thematic tab regroup, accordion sub-sections, in-page search (PR #259)',
+      'Navidrome admin API hardening (PR #260)',
+      'Library deep links (psysonic2 scheme) — paste track/album/artist/queue (PR #261)',
+      'Now-Playing redesign as info dashboard + draggable widget cards (PRs #266, #267)',
+      'Sleep timer — circular ring + in-button countdown (PR #272)',
+      'Streaming seek UI freeze + snapback fix (PR #236)',
+    ],
+  },
 ] as const;
 
 const MAINTAINERS = [