Add sample home page to example site

Create home page layout with paginated recent posts

Update regex for spec.files and remove bindir and executables

Bump version to 4.0.2

Remove `http://localhost:4000` from `site.url` as it is automatically set with `jekyll serve`

Update gem dependencies
- Add Jekyll plugins needed for the theme to .gemspec
- Remove Jekyll plugin gems from example site as they are installed with the theme

Fix image path typos

Remove category

Replace base_path with `absolute_url` filter where possible

Don't prepend `author.avatar` paths with `/` when path contains `://`

Remove `pre` from version and bump to 4.0.1

Update .gemspec

Update version to 4.0.0.pre

Remove `docs` collection

Fix image path

Fix image path

Allow images to be placed in other folders
- Remove `images/` only restriction and encourage placement in `assets/images/` instead

Remove _config.yml from root

Add example site for testing

Update Gemfile