Add memory-bank directory to .gitignore

Author: Alorse

.gitignore

@@ -47,4 +47,7 @@ logs
 .roo/mcp.json
 
 # Ignore copilot instructions file
-.github/copilot-instructions.md
+.github/copilot-instructions.md
+
+# Ignore memory-bank directory
+memory-bank/