WEB GUI: Live-reloading development environment

Change-Id: Ibe4a80905e7c140ff70f359d43a49e6430cc6838
diff --git a/.gitignore b/.gitignore
index 6df1d0e..5160dc9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,3 +23,5 @@
 /bin/
 
 web/gui/src/main/webapp/tests/node_modules
+web/gui/src/main/webapp/node_modules/
+npm-debug.log