Add node_modules ignore for apache-projects-mcp

.gitignore

diff --git a/.gitignore b/.gitignore
index 8b5dca4..2af3644 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 project-activity/REPORTS/
 node_modules/
 package-lock.json
+mcp/apache-projects-mcp/node_modules/