Update Makefile

Signed-off-by: Lee Calcote <[email protected]>

Author: leecalcote

Makefile

@@ -22,10 +22,15 @@ setup:
 ## Run on your local machine with draft and future content enabled.
 site: check-go
 	hugo server -D -F
-	
+
+## Build site
 build:
 	hugo
 
+## Build site for deployment previews on github pages
+build-preview:
+	hugo --baseURL=https://layer5io.github.io/layer5-academy
+
 ## Empty build cache and run on your local machine.
 clean: 
 	hugo --cleanDestinationDir