rename the travis build scrit and update the new doc path

.travis.yml

@@ -10,7 +10,7 @@ env:
     - PHP_VERSION=71
     - HUGO_VERSION=0.20
 
-script: ./scripts/build.sh
+script: ./_scripts/travis-build.sh
 
 deploy:
   provider: pages

_scripts/travis-build.sh

@@ -1,11 +1,13 @@
 #!/usr/bin/env bash
 
+#### Build the Docker Images
 if [ -n "${PHP_VERSION}" ]; then
     cp env-example .env
     docker-compose build
     docker images
 fi
 
+#### Generate the Laradock Documentation site using Hugo
 if [ -n "${HUGO_VERSION}" ]; then
     HUGO_PACKAGE=hugo_${HUGO_VERSION}_Linux-64bit
     HUGO_BIN=hugo_${HUGO_VERSION}_linux_amd64