.gitignore "main" - Ignore Sublime project files.
Gruntfile.js - Added "prettify" task.
page.md - Added post link example.
header.html - Modified code to work properly with "prettify".
index.md / index.html - Replaced index.md with index.html.
package.json - Added "grunt-prettify" and "js-beautify".
index.html - Replaced index.md with index.html.