Add self-hosted Pagefind search

This adds the Pagefind component UI assets and wires the search modal
into the base template with a compact header trigger.

The integration marks searchable page bodies explicitly, exposes page
titles to Pagefind metadata, and adds site-specific styling so the
search modal, trigger, focus states, and keyboard-selected results match
the blog’s colour scheme.

1 files changed, 2 insertions, 0 deletions

diff --git a/templates/blog-post.html b/templates/blog-post.html
index 1cb33db..fe751ae 100644
--- a/templates/blog-post.html
+++ b/templates/blog-post.html
@@ -2,6 +2,8 @@
 
 {% from "macros/blog.html" import render_blog_post %}
 
+{% set pagefind_body = true %}
+
 {% set features = namespace(trail=false) %}
 
 {% for block in this.body.blocks %}