Initial commit: Multi-tenant memory MCP server

- server.js: servidor MCP com suporte multi-tenant
- package.json + package-lock.json: Node.js dependencies (vulnerabilidades corrigidas)
- .gitignore: Node.js standard (node_modules, .env, logs)
- README.txt: documentacao basica

.gitignore

@@ -0,0 +1,12 @@
+node_modules/
+dist/
+build/
+.env
+.env.*
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.DS_Store
+.claude-logs/
+coverage/