Initial implementation of mcq — document reading queue

Single-binary service: push raw markdown via REST/gRPC API, read rendered
HTML through mobile-friendly web UI. MCIAS auth on all endpoints, SQLite
storage, goldmark rendering with GFM and syntax highlighting.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

web/templates/list.html

@@ -0,0 +1,22 @@
+{{define "title"}} — Queue{{end}}
+{{define "content"}}
+<h2>Reading Queue</h2>
+{{if not .Documents}}
+<div class="card">
+    <p>No documents in queue.</p>
+</div>
+{{else}}
+<div class="doc-list">
+    {{range .Documents}}
+    <a href="/d/{{.Slug}}" class="doc-item {{if .Read}}doc-read{{end}}">
+        <div class="doc-title">{{.Title}}</div>
+        <div class="doc-meta">
+            <span>{{.PushedBy}}</span>
+            <span>{{.PushedAt}}</span>
+            {{if .Read}}<span class="doc-badge read">read</span>{{else}}<span class="doc-badge unread">unread</span>{{end}}
+        </div>
+    </a>
+    {{end}}
+</div>
+{{end}}
+{{end}}