feat: add money converter dialog, bump version to 1.3.36

Extract currency conversion out of character/NPC sheets into a
dedicated dialog with live NBP exchange rates, covering both
real-world (PLN/EUR/USD) and in-world currencies (Thrakka, Sol-3
Federation Credit, Silver Talent, Gold Crown, Platinum Lingot).

system.json

@@ -2,9 +2,9 @@
   "id": "hbm-rpg-v3",
   "title": "Homebrew Magic: RPG v3",
   "description": "System Foundry VTT dla Homebrew Magic: Role Playing Game v3 - autorska gra fabularna z mechaniką puli kości d6 (TS - Trudność:Sukcesy).",
-  "version": "1.3.30",
+  "version": "1.3.36",
   "manifest": "https://vtt-content.octoturge.com/packages/system/hbm-rpg-v3.json",
-  "download": "https://vtt-content.octoturge.com/packages/system/hbm-rpg-v3-v1.3.30.zip",
+  "download": "https://vtt-content.octoturge.com/packages/system/hbm-rpg-v3-v1.3.36.zip",
   "compatibility": {
     "minimum": "13",
     "verified": "14"