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>

content/_index.en.md

@@ -0,0 +1,16 @@
+---
+title: "Alexander Sokolov"
+card:
+  name: "Alexander Sokolov"
+  nick: "s0k0l"
+  role: "Scrapers, bots, websites and services. High load and infosec."
+  avatar: "img/me.jpg"            # assets/img/me.jpg
+  status:
+    state: open                   # open | busy | away
+    text: "Open to projects and work"
+  contacts:
+    - { label: "Telegram", url: "https://t.me/xs0k0lx", icon: "telegram" }
+    - { label: "Email",    url: "mailto:xalex.sokolov@yahoo.com",      icon: "email" }
+    - { label: "Git",      url: "https://git.sokolab.xyz/s0k0l", icon: "gitea" }
+  more: "/about/"
+---