SEO: add Keep reading links between blog posts, plus manual and plugin links

blog/what-happens-to-your-bitcoin.html

@@ -267,6 +267,16 @@ footer .built{font-size:13px;color:var(--muted);margin-top:8px}
 <p>If you are still here when the date approaches, you simply renew. If you are not, your coins go where you said they should — with no notary, no custodian, and no one ever holding your keys but you.</p>
 <p>Self-custody was never meant to end with you. Bitcoin already has the tools to make sure it doesn't. Read how the protocol works — and what a Will-Executor can and cannot see — in the manual: <a href="https://bitcoin-after.life/docs/" target="_blank" rel="noopener">bitcoin-after.life/docs</a></p>
 
+<aside class="related">
+<h2>Keep reading</h2>
+<ul style="padding-left:22px">
+<li><a href="should-you-tell-your-family-about-your-bitcoin.html">Should You Tell Your Family About Your Bitcoin? What They Need to Know, and What They Don't</a></li>
+<li><a href="inheritance-when-trust-fails.html">The vanishing inheritance: when trust fails, mathematics doesn't</a></li>
+<li><a href="the-quietest-day.html">The Quietest Day: What Really Happens When Your Bitcoin Inheritance Arrives</a></li>
+</ul>
+<p>New to Bitcoin After Life? Read the <a href="https://bitcoin-after.life/docs/">user manual</a> or <a href="../index.html#plugin">get the Electrum plugin</a>.</p>
+</aside>
+
 <hr>
 <p class="disclaimer"><sup>1</sup> Ranges vary by methodology and year; the 2.3–4 million BTC figure reflects estimates cited by Chainalysis, Ledger, and River Financial. The exact number is unknowable, and that uncertainty is part of the point.</p>
 </article>