Fix the entity search by reversing includes call

[jikanter]

In main, entity search was broken, the "includes" call on line 151 should have called the method on the query with the argument of the entityName, not the reverse

From the javascript docs:

Server Details

• Server: memory
• Changes to: bugfix for entity_search

Motivation and Context

bugfix

How Has This Been Tested?

Yes, tested on Claude Desktop only. "what do you know about elmo", fix is only

Breaking Changes

No, just fixes the "search_nodes" tool call

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)

Checklist

• [x] I have read the MCP Protocol Documentation
• [x] My changes follows MCP security best practices
• [x] I have updated the server's README accordingly
• [x] I have tested this with an LLM client
• [x] My code follows the repository's style guidelines
• [x] New and existing tests pass locally
• [x] I have added appropriate error handling
• [x] I have documented all environment variables and configuration options

Additional context

Just a bug fix