Updates

### Changes
* * *
* Updated README (fixed typo)
* Improved general styling of content
* Friendlied placeholders for titles, posts, etc.
* Added meta tag for UTF-8 encoding
* Removed .io from title tag
* Fixed issues involving line height and line breaks of content

### Additions
* * *
* Added blog.html
* Added a proper page template
* Added 404 page