GUI extension Yeoman generator

Change-Id: If6b3fae44e4ee8a7bde36600cdc71d54d49fbf6e
diff --git a/generator-xos-gui-extension/generators/templates/.gitignore b/generator-xos-gui-extension/generators/templates/.gitignore
new file mode 100644
index 0000000..217665e
--- /dev/null
+++ b/generator-xos-gui-extension/generators/templates/.gitignore
@@ -0,0 +1,6 @@
+node_modules/
+dist/
+.tmp/
+.idea/
+*.DS_Store
+typings/