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>

config/_default/languages.en.toml

@@ -0,0 +1,22 @@
+locale = "en"
+label = "English"
+weight = 2
+title = "Sokolab"
+
+[params]
+  displayName = "EN"
+  isoCode = "en"
+  rtl = false
+  dateFormat = "2 January 2006"
+  description = "Software and hardware products for people and businesses"
+
+[params.author]
+  name = "Alexander Sokolov aka s0k0l"
+  image = "img/me.jpg"
+  headline = "Scraping, bots and high-load web services. Information security."
+  bio = "I emulate user behavior, extract data and protect information. I take projects from idea to release."
+  links = [
+    { email = "mailto:xalex.sokolov@yahoo.com" },
+    { telegram = "https://t.me/xs0k0lx" },
+    { gitea = "https://git.sokolab.xyz/s0k0l" },
+  ]