feat: English version of the site, CV as text

- add English language: config, menus, i18n, translations of all pages and posts
- CV page renders the full resume in both languages with PDF download buttons
- remove salary from CV PDFs, Telegram is @xs0k0lx everywhere, English level B2
- fix broken CV menu link, update theme submodule to Public/blowfish

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

layouts/partials/home/custom.html

@@ -32,6 +32,6 @@
       {{ end }}
     </ul>
 
-    {{ with $p.more }}<a class="vcard__more" href="{{ . | relURL }}">Подробнее обо мне →</a>{{ end }}
+    {{ with $p.more }}<a class="vcard__more" href="{{ . | relLangURL }}">{{ i18n "moreAboutMe" }}</a>{{ end }}
   </div>
 </section>