gitignore vscode local.code-workspace

This allows user to safely add a local code-workspace to the project to override any settings that don't work for them, without changing .vscode/settings.json

Author: nbogie

.gitignore

@@ -2,6 +2,9 @@
 
 .nyc_output/*
 # .vscode/settings.json
+# optional local preferences for vscode
+local.code-workspace
+
 node_modules/*
 
 analyzer/