Consolidate examples into unified production config with static CSS

- New sqlite_serve.conf: all features on single port 8080
- New zenburn.css: hex color palette, all styles in one cacheable file
- New Zenburn templates: header/footer/card partials
- New start.sh: unified launcher with all endpoint docs
- Removed 3 separate example configs and start scripts

15 files changed, 980 insertions(+), 258 deletions(-)

conf/sqlite_serve.conf

@@ -0,0 +1,114 @@
+# sqlite-serve - Unified Production Example
+# Demonstrates all features: static queries, positional params, named params, templates
+
+load_module target/debug/libsqlite_serve.dylib;
+
+worker_processes auto;
+events {
+    worker_connections 1024;
+}
+
+error_log logs/error.log warn;
+
+http {
+    # Global templates for shared components
+    sqlite_global_templates "server_root/global_templates";
+
+    # MIME types
+    types {
+        text/html html htm;
+        text/css css;
+        application/javascript js;
+    }
+    default_type text/html;
+
+    # Performance optimizations
+    sendfile on;
+    tcp_nopush on;
+    tcp_nodelay on;
+    keepalive_timeout 65;
+    gzip on;
+
+    server {
+        listen 8080;
+        server_name localhost;
+        
+        root "server_root";
+        charset utf-8;
+
+        # Serve static CSS file
+        location /static/ {
+            add_header "Content-Type" "text/css; charset=utf-8";
+            add_header "Cache-Control" "public, max-age=31536000";
+        }
+
+        # Homepage - Redirect to catalog
+        location = / {
+            return 302 /books;
+        }
+
+        # Browse all books
+        location = /books {
+            add_header "Content-Type" "text/html; charset=utf-8";
+            add_header "Cache-Control" "public, max-age=300";
+            sqlite_db "book_catalog.db";
+            sqlite_query "SELECT * FROM books ORDER BY rating DESC, title";
+            sqlite_template "catalog.hbs";
+        }
+
+        # Book detail by ID (named parameter)
+        location = /book {
+            add_header "Content-Type" "text/html; charset=utf-8";
+            add_header "Cache-Control" "public, max-age=300";
+            sqlite_db "book_catalog.db";
+            sqlite_query "SELECT * FROM books WHERE id = :book_id";
+            sqlite_param :book_id $arg_id;
+            sqlite_template "detail.hbs";
+        }
+
+        # Filter by genre (named parameter)
+        location = /genre {
+            add_header "Content-Type" "text/html; charset=utf-8";
+            add_header "Cache-Control" "public, max-age=300";
+            sqlite_db "book_catalog.db";
+            sqlite_query "SELECT * FROM books WHERE genre = :genre ORDER BY rating DESC, title";
+            sqlite_param :genre $arg_genre;
+            sqlite_template "catalog.hbs";
+        }
+
+        # Search by title (named parameter with LIKE)
+        location = /search {
+            add_header "Content-Type" "text/html; charset=utf-8";
+            sqlite_db "book_catalog.db";
+            sqlite_query "SELECT * FROM books WHERE title LIKE '%' || :q || '%' ORDER BY rating DESC";
+            sqlite_param :q $arg_q;
+            sqlite_template "catalog.hbs";
+        }
+
+        # Filter by minimum rating (named parameter)
+        location = /top {
+            add_header "Content-Type" "text/html; charset=utf-8";
+            sqlite_db "book_catalog.db";
+            sqlite_query "SELECT * FROM books WHERE rating >= :min_rating ORDER BY rating DESC, title";
+            sqlite_param :min_rating $arg_min;
+            sqlite_template "catalog.hbs";
+        }
+
+        # Year range filter (multiple named parameters)
+        location = /era {
+            add_header "Content-Type" "text/html; charset=utf-8";
+            sqlite_db "book_catalog.db";
+            sqlite_query "SELECT * FROM books WHERE year >= :from AND year <= :to ORDER BY year DESC, title";
+            sqlite_param :from $arg_from;
+            sqlite_param :to $arg_to;
+            sqlite_template "catalog.hbs";
+        }
+
+        # 404 handler
+        location @notfound {
+            add_header "Content-Type" "text/html; charset=utf-8";
+            return 404 "<html><body><h1>404 Not Found</h1><p><a href='/books'>Back to catalog</a></p></body></html>";
+        }
+    }
+}
+