Interim release: documentation updates and rate limiting improvements

- Add applesauce library reference documentation
- Add rate limiting test report for Badger
- Add memory monitoring for rate limiter (platform-specific implementations)
- Enhance PID-controlled adaptive rate limiting
- Update Neo4j and Badger monitors with improved load metrics
- Add docker-compose configuration
- Update README and configuration options

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

go.mod

@@ -14,6 +14,7 @@ require (
 	github.com/minio/sha256-simd v1.0.1
 	github.com/nbd-wtf/go-nostr v0.52.0
 	github.com/neo4j/neo4j-go-driver/v5 v5.28.4
+	github.com/pbnjay/memory v0.0.0-20210728143218-7b4eea64cf58
 	github.com/pkg/profile v1.7.0
 	github.com/sosodev/duration v1.3.1
 	github.com/stretchr/testify v1.11.1