Implement target index for Neo4j: without setup yet. (#282)

* Revise `neo4j` docker compose config.

* Add dependency to `neo4rs`.

* Implement target index for `Neo4j`: without setup yet.

Author: badmonster0

Cargo.toml

@@ -100,3 +100,5 @@ urlencoding = "2.1.3"
 uuid = { version = "1.16.0", features = ["serde", "v4", "v8"] }
 tokio-stream = "0.1.17"
 async-stream = "0.3.6"
+neo4rs = "0.8.0"
+bytes = "1.10.1"

dev/neo4j.yaml

@@ -1,3 +1,4 @@
+name: cocoindex-neo4j
 services:
   neo4j:
     image: neo4j:latest
@@ -8,6 +9,7 @@ services:
         - /$HOME/neo4j/plugins:/plugins
     environment:
         - NEO4J_AUTH=neo4j/cocoindex
+        - NEO4J_PLUGINS='["graph-data-science"]'
     ports:
       - "7474:7474"
       - "7687:7687"

src/ops/storages/mod.rs

@@ -1 +1,2 @@
+pub mod neo4j;
 pub mod postgres;