Update GitHub deploy script for reusability

deploy.sh

@@ -8,12 +8,14 @@ npm run build
 
 cd dist
 
-echo "reeseschultz.github.io" > CNAME
+# uncomment the below line and update it appropriately if using a custom domain
+# echo "your site dot com" > CNAME
 
 git init
 git add -A
 git commit -m 'Deploy'
 
+# update the below line with your repository and preferred branches
 git push -f [email protected]:reeseschultz/11r.git master:gh-pages
 
 cd -