EAGLESIX-2651: update gitignore

.gitignore

@@ -1,2 +1,18 @@
-/node_modules/
+!.gitkeep
+
+# node
+/node_modules
+npm-debug.log
+
+# IDE files
+/.idea
+/.settings.xml
+/.settings
+/.c9revisions/
+
+# misc files
+*.swp
+.DS_Store
+
+# build files
 /reports/