Integrate BACKBEAT SDK and resolve KACHING license validation

Major integrations and fixes:
- Added BACKBEAT SDK integration for P2P operation timing
- Implemented beat-aware status tracking for distributed operations
- Added Docker secrets support for secure license management
- Resolved KACHING license validation via HTTPS/TLS
- Updated docker-compose configuration for clean stack deployment
- Disabled rollback policies to prevent deployment failures
- Added license credential storage (CHORUS-DEV-MULTI-001)

Technical improvements:
- BACKBEAT P2P operation tracking with phase management
- Enhanced configuration system with file-based secrets
- Improved error handling for license validation
- Clean separation of KACHING and CHORUS deployment stacks

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

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

vendor/github.com/libp2p/go-libp2p-pubsub/maintainer.json

@@ -0,0 +1,11 @@
+{
+    "repoLeadMaintainer": {
+      "name": "Dimitris Vyzovitis",
+      "email": "vyzo@protocol.ai",
+      "username": "@vyzo"
+    },
+    "workingGroup": {
+      "name": "libp2p",
+      "entryPoint": "https://github.com/libp2p/libp2p"
+    }
+}