Merge pull request #26 from dhoman/master

readme update to include how to host using local webserver for develo…

README.md

@@ -41,6 +41,11 @@ npm install
 npx eleventy
 ```
 
+Or build and host locally for local development
+```
+npx eleventy --serve
+```
+
 Or build automatically when a template changes:
 ```
 npx eleventy --watch