Merge pull request #157 from AdaWorldAPI/claude/neo4j-rust-driver-u53PD

feat: add cypher_bridge module — Cypher string → BindSpace operations

Bridge between neo4j-rs Cypher world and ladybug-rs BindNode/BindEdge.
Parses MERGE, CREATE, MATCH with WHERE/ORDER BY/LIMIT and executes
directly against BindSpace. Properties stored as JSON payload.
Includes upsert semantics for MERGE and full test coverage.

https://claude.ai/code/session_01DHqTn7ocBBWfsryzKukJUv

Author: AdaWorldAPI