Initial RUSTLE implementation with UCXL Browser and standardized codes

- Complete UCXL protocol implementation with DHT storage layer
- BZZZ Gateway for peer-to-peer networking and content distribution
- Temporal navigation engine with version control and timeline browsing
- Standardized UCXL error/response codes for Rust, Go, and Python
- React-based UI with multi-tab interface and professional styling
- libp2p integration for distributed hash table operations
- Self-healing network mechanisms and peer management
- Comprehensive IPC commands for Tauri desktop integration

Major Components:
- ucxl-core: Core UCXL protocol and DHT implementation
- BZZZ Gateway: Local subnet peer discovery and content replication
- Temporal Engine: Version control and state reconstruction
- Cross-language standards: Unified error handling across implementations
- Modern UI: Professional React interface with DHT and network monitoring

Standards Compliance:
- UCXL-ERROR-CODES.md and UCXL-RESPONSE-CODES.md v1.0
- Machine-readable error codes with structured payloads
- Client guidance for retry logic and error handling
- Cross-language compatibility with identical APIs

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,54 @@
+# Rust
+/target/
+**/*.rs.bk
+Cargo.lock
+
+# Node.js
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.pnpm-debug.log*
+
+# Tauri
+src-tauri/target/
+src-tauri/gen/
+
+# Logs
+*.log
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Build outputs
+dist/
+build/
+
+# Environment files
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
+
+# OS generated files
+Thumbs.db
+ehthumbs.db
+
+# Temporary files
+*.tmp
+*.temp