refactor: Separate templates into layout/body

feat: Streaming DOM templates via rheo

feat: add link helper to view globals

Add some basic HTML

Fix posts directory default configuration

feat: Serve static files under ./static

feat: make templates extend common layout

rename 'tag' view to 'term'

feat: make taxonomies configurable

Add "tag" and "category" as defaults

feat: use configly/TOML for configuration

Rename templates to njk

It's specified in the nunjucks documentation.  Using it allows editors
to understand the syntax better

feat(posts): render posts as markdown

refactor: move tag indexing of posts to Posts

feat: add tags endpoint

feat: add single post endpoint

chore: ensure test files are prettier

refactor(posts): Clarify what options are for

refactor: metadata -> posts

fix(metadata): make return values consistent

chore: configure tern

feat: Parse front matter as metadata

Move tests to test/

feat: Use nunjucks templates via koa-nunjucks-next

chore: Set up pre-commit hook for formatting

chore: add editorconfig file

feat: setup basic web server

chore: Configure formatting with prettier and standard

Initial commit