Implement modular architecture with core services and Nostr integration

- Introduce a modular application structure with a new app configuration file to manage module settings and features.
- Implement a dependency injection container for service management across modules.
- Create a plugin manager to handle module registration, installation, and lifecycle management.
- Develop a global event bus for inter-module communication, enhancing loose coupling between components.
- Add core modules including base functionalities, Nostr feed, and PWA services, with support for dynamic loading and configuration.
- Establish a Nostr client hub for managing WebSocket connections and event handling.
- Enhance user experience with a responsive Nostr feed component, integrating admin announcements and community posts.
- Refactor existing components to align with the new modular architecture, improving maintainability and scalability.

src/modules/base/index.ts

@@ -0,0 +1,65 @@
+import type { App } from 'vue'
+import type { ModulePlugin } from '@/core/types'
+import { container, SERVICE_TOKENS } from '@/core/di-container'
+import { relayHub } from './nostr/relay-hub'
+import { nostrclientHub } from './nostr/nostrclient-hub'
+
+// Import auth services
+import { auth } from './auth/auth-service'
+
+// Import PWA services
+import { pwaService } from './pwa/pwa-service'
+
+/**
+ * Base Module Plugin
+ * Provides core infrastructure: Nostr, Auth, PWA, and UI components
+ */
+export const baseModule: ModulePlugin = {
+  name: 'base',
+  version: '1.0.0',
+  
+  async install(_app: App, options?: any) {
+    console.log('🔧 Installing base module...')
+
+    // Register core Nostr services
+    container.provide(SERVICE_TOKENS.RELAY_HUB, relayHub)
+    container.provide(SERVICE_TOKENS.NOSTR_CLIENT_HUB, nostrclientHub)
+    
+    // Register auth service
+    container.provide(SERVICE_TOKENS.AUTH_SERVICE, auth)
+    
+    // Register PWA service
+    container.provide('pwaService', pwaService)
+
+    // Initialize core services
+    await relayHub.initialize(options?.nostr?.relays || [])
+    await auth.initialize()
+    
+    console.log('✅ Base module installed successfully')
+  },
+
+  async uninstall() {
+    console.log('🗑️ Uninstalling base module...')
+    
+    // Cleanup Nostr connections
+    relayHub.disconnect()
+    nostrclientHub.disconnect?.()
+    
+    console.log('✅ Base module uninstalled')
+  },
+
+  services: {
+    relayHub,
+    nostrclientHub,
+    auth,
+    pwaService
+  },
+
+  // No routes - base module is pure infrastructure
+  routes: [],
+  
+  // No UI components at module level - they'll be imported as needed
+  components: {}
+}
+
+export default baseModule