Add lighthouse to the npm defaults

install/node.sh

@@ -2,19 +2,21 @@
 
 # use nvm instead of brew node or anything else
 curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.32.1/install.sh | bash
-nvm install 6.9.1
-nvm use 6.9.1
-nvm alias default 6.9.1
+nvm install 6.9.2
+nvm use 6.9.2
+nvm alias default 6.9.2
 curl -L https://www.npmjs.com/install.sh | sh
 
 npm update -g
 
+npm install -g npm
 npm install -g caniuse-cmd
 npm install -g diff-so-fancy
 npm install -g eslint
 npm install -g fkill-cli
 npm install -g gulp
 npm install -g jsonlint
+npm install -g lighthouse
 npm install -g np
 npm install -g npm-check-updates
 npm install -g pure-prompt