feat: faq on how to leave crate open for adoption

Provides a section in the policies page to communicate to users
how they could leave a crate open for transferring. The idea was
first shared by @carols10cents.

Author: LeoBorai

app/templates/policies.hbs

@@ -42,6 +42,24 @@
   Code of Conduct.
 </p>
 
+<h3 id='delete-crate'><a href='#delete-crate'>How can I delete a crate I own from the registry?</a></h3>
+
+<p>
+  You can't delete crates from the registry but you could leave it open for
+  ownership transfering.
+</p>
+
+<p>
+  To do this, you must yank all of the versions in the crate
+  and publish a version with a message communicating to crates.io support team
+  that you are consent to transfer the crate to the first person who asks for it:
+</p>
+
+<blockquote>
+  I consent to the transfer of this crate to the first person who asks
+  [email protected] for it.
+</blockquote>
+
 <h3 id='squatting'><a href='#squatting'>Squatting</a></h3>
 
 <p>