feat: add CoopCredits Solana media rewards ecosystem

Add complete  token system with Plex/Tautulli/Overseer integration:
- Anchor program for SPL token mint/burn/transfer
- Express backend with OAuth, webhooks, Solana integration
- Next.js frontend with dashboard, admin panel, wallet management
- Docker deployment for 172.20.1.0/24 infrastructure
- Production configs with SSL, Nginx, health monitoring

Tautulli webhooks auto-mint  on watch events.
Overseer integration burns  for content requests.

frontend/src/lib/store.ts

@@ -0,0 +1,42 @@
+import { create } from 'zustand';
+import { persist } from 'zustand/middleware';
+
+export interface User {
+  id: string;
+  plexId: string;
+  plexUsername: string;
+  email: string | null;
+  isAdmin: boolean;
+  walletAddress: string | null;
+  totalEarned: number;
+  totalSpent: number;
+}
+
+interface AppState {
+  user: User | null;
+  token: string | null;
+  isAuthenticated: boolean;
+  setUser: (user: User | null) => void;
+  setToken: (token: string | null) => void;
+  logout: () => void;
+}
+
+export const useStore = create<AppState>()(
+  persist(
+    (set) => ({
+      user: null,
+      token: null,
+      isAuthenticated: false,
+      setUser: (user) => set({ user, isAuthenticated: !!user }),
+      setToken: (token) => set({ token }),
+      logout: () => {
+        localStorage.removeItem('token');
+        set({ user: null, token: null, isAuthenticated: false });
+      },
+    }),
+    {
+      name: 'coop-credits-storage',
+      partialize: (state) => ({ user: state.user, token: state.token }),
+    }
+  )
+);