chore: added readme with shell commands for future reference

src/manual_mode/README.md

+
+
+To run a neo4j db container locally
+
+```
+docker run --name neo4j -p 7687:7687 -p 7474:7474 -d --env NEO4J_AUTH=neo4j/password neo4j:latest
+```
+
+To access the neo4j container
+
+```
+docker exec -it neo4j bin/cypher-shell -u neo4j -p password
+
+```