added instructions for publishing with github pages. also added more detail on install page and in config file -- just documentation

_config.yml

@@ -1,35 +1,50 @@
 permalink: /:year/:month/:day/:title/
+# this sets the style for permalinks. The date formatting (/:year/:month/:day/) will only apply to blog posts, while the pages will just show the title.
 url: http://idratherbewriting.com
+# where you plan to publish your site
 baseurl: "/documentation-theme-jekyll"
+# any subdirectory that appears after the domain where you're publishing your site
 output: web
+# this property is useful for conditional filtering of content that is separate from the PDF.
 topnav_title: Jekyll Documentation Theme
+# this appears on the top navigation bar next to the home button
 site_title: Jekyll theme for designers
+# this appears in the html browser tab for the site title (seen mostly by search engines, not users)
 company_name: Your company
+# this appears in the footer
 github_editme_path: tomjohnson1492/documentation-theme-jekyll/edit/reviews
+# if you're using Github, provide the basepath to the branch you've created for reviews, following the sample here. if not, leave this value blank.
 disqus_shortname: idrbwjekyll
+# if you're using disqus for comments, add the shortname here. if not, leave this value blank.
 host: 127.0.0.1
+# the preview server used. Leave as is.
 port: 4009
+# the port where the preview is rendered. You can leave this as is unless you have other Jekyll builds using this same port that might cause conflicts.
 
 exclude:
   - _site
-  - _drafts
-  - configs/
+  - _drafts/
+  - .idea/
+# these are the files and directories that jekyll will exclude from the build
 
 feedback_email: tomjohnson1492@gmail.com
-
+# used as a contact email for the Feedback link in the top navigation bar
 
 highlighter: rouge
+# library used for syntax highlighting
+
 markdown: kramdown
 kramdown:
  input: GFM
  auto_ids: true
  hard_wrap: false
  syntax_highlighter: rouge
-
+# filter used to process markdown. note that kramdown differs from github-flavored markdown in some subtle ways
 
 collections:
   tooltips:
     output: false
+# collection declared here. this renders the content in _tooltips and processes it, but doesn't output it as actual files in the output.
 
 defaults:
   -
@@ -61,7 +76,8 @@ defaults:
       search: true
       sidebar: tags_sidebar
 
+# these are defaults used for the frontmatter for these file types
 
 
-# the description is used in the feed.xml file
 description: "Intended as a documentation theme based on Jekyll for technical writers documenting software and other technical products, this theme has all the elements you would need to handle multiple products with both multi-level sidebar navigation, tags, and other documentation features."
+# the description is used in the feed.xml file