feat: fetch for the assistant with Поиск on - a page's main text for the model, the server's own network out of reach; shorter words in Настройки and the chat; the + menu's roots a step left. Also files from panes into the chat, docview and drag fixes (by the user)

internal/server/web/static/fileviews.js

@@ -110,7 +110,7 @@
     js:'javascript', mjs:'javascript', cjs:'javascript', jsx:'javascript', ts:'text/typescript', tsx:'text/typescript', json:'application/json',
     css:'css', scss:'text/x-scss', less:'text/x-less', html:'htmlmixed', htm:'htmlmixed', vue:'htmlmixed', xml:'xml', svg:'xml', plist:'xml', xsd:'xml',
     php:'php', sh:'shell', bash:'shell', zsh:'shell', ksh:'shell', yaml:'yaml', yml:'yaml', md:'markdown', markdown:'markdown', sql:'sql',
-    toml:'toml', ini:'properties', cfg:'properties', conf:'properties', cnf:'properties', env:'properties', properties:'properties',
+    toml:'toml', ini:'properties', cfg:'properties', conf:'properties', cnf:'properties', env:'properties', properties:'properties', ovpn:'properties',
     service:'properties', timer:'properties', socket:'properties', mount:'properties', lua:'lua', rs:'rust', diff:'diff', patch:'diff',
     rb:'ruby', pl:'perl', pm:'perl', cmake:'cmake'
   };