Translate tools/db/demo_en.json in ru (#400)

81% of minimum 60% translated source file: 'tools/db/demo_en.json'
on 'ru'.

Sync of partially translated files: 
untranslated content is included with an empty translation 
or source language content depending on file format

Co-authored-by: transifex-integration[bot] <43880903+transifex-integration[bot]@users.noreply.github.com>

Author: transifex-integration[bot]

tools/db/demo_ru.json

@@ -262,7 +262,7 @@
   "shape": "Круг",
   "status": "demo",
   "thickness": 2.2,
-  "title": "2 euro DE (new map)",
+  "title": "2 евро DE (новая карта)",
   "type": "Курсовая (регулярная)",
   "unit": "Евро",
   "value": 2,