Revert "Revert "build(book): optimize for different formats""

This reverts commit b1abab1.

Author: amejiarosario

.circleci/config.yml

@@ -104,7 +104,7 @@ jobs: # a collection of steps
 
       - run:
           name: generate PDF
-          command: cd book/config && make VERSION="$(npx -c 'echo "$npm_package_version"')" pdf
+          command: cd book/config && make VERSION="$(npx -c 'echo "$npm_package_version"')"
 
       - store_artifacts:
           path: book/dist

.gitignore

@@ -72,7 +72,6 @@ local.properties
 # Ruby
 ######################
 /.bundle/
-/Gemfile.lock
 
 ######################
 # Package Files
@@ -136,13 +135,13 @@ Desktop.ini
 # ln -s ~/OneDrive/Authoring/dsaJS/asciidoc/book/fonts .
 # ln -s ~/OneDrive/Authoring/dsaJS/asciidoc/book/images .
 ######################
-Gemfile
-Gemfile.lock
-Makefile
-_conf
-_resources
-extensions
-fonts
+# Gemfile
+# Gemfile.lock
+# Makefile
+# _conf
+# _resources
+# extensions
+# fonts
 
 
 ######################