- Add <.rss_icon> inline SVG component in core_components.ex
- Inject RSS <link> tags into <head> on blog pages for auto-discovery
- Show RSS icon next to blog title on index and tag pages
- Show RSS icon on post pages next to back-link
- Add Subscribe section in footer with links to both feeds
- Wire feed URL through blog controller (index, show, tag actions)
174 tests pass, credo clean.
Goal: have a personal blog, and try out another point in the 'modular
app design with elixir' space.
Designing OTP systems with elixir had some interesting ideas.
