Initial commit: libp2p-native-bridge package

- Extracted libp2p component from main app
- Created modular package structure with interfaces and implementations
- Added dependency injection for NativeModules
- Configured for IOR loading from Gitea
- Added comprehensive README and documentation

utils/types.ts

@@ -0,0 +1,54 @@
+/**
+ * Shared types for libp2p implementation across platforms
+ */
+
+import type { ConnectionDirection, ConnectionStatus } from './constants';
+
+/**
+ * Unified connection information structure used by both iOS and Android
+ */
+export interface ConnectionInfo {
+  peerId: string;
+  status: ConnectionStatus;
+  direction: ConnectionDirection;
+  multiaddr?: string;
+  timestamp: number; // Unix timestamp in seconds
+  error?: string;
+}
+
+/**
+ * Event payloads for consistent event handling across platforms
+ */
+export interface ConnectionStatusEvent {
+  peerId: string;
+  status: ConnectionStatus;
+  direction?: ConnectionDirection;
+  multiaddr?: string;
+  error?: string;
+  reason?: string;
+}
+
+export interface PeerDiscoveredEvent {
+  peerId: string;
+  addresses?: string[];
+  multiaddrs?: string[];
+}
+
+export interface PeerLostEvent {
+  peerId: string;
+}
+
+export interface LogEvent {
+  message: string;
+  level?: 'debug' | 'info' | 'warn' | 'error';
+}
+
+export interface ErrorEvent {
+  message: string;
+  code?: string;
+}
+
+export interface PeerInfoEvent {
+  peerId: string;
+  multiaddrs: string[];
+}