Add Docker compose and bootstrap script; ignore override yml only

Co-authored-by: Cursor <cursoragent@cursor.com>

docker-compose.override.yml.example

@@ -0,0 +1,14 @@
+# 本机差异配置：复制为 docker-compose.override.yml（已在 .gitignore）
+# docker compose 会自动合并 base + override
+#
+# cp docker-compose.override.yml.example docker-compose.override.yml
+
+services:
+  neo4j:
+    environment:
+      # 若本机 Neo4j 密码与 .env 不一致，在此覆盖
+      NEO4J_AUTH: neo4j/jinrong_dev_neo4j
+
+  redis:
+    ports:
+      - "6379:6379"