Add 13 language packs: PT, NL, DA, NO, SV, FI, HR, HU, SR, RO, SK, CS, EL

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

README.md

@@ -13,7 +13,7 @@ An evil little dungeon game for the browser - in glorious pixels, in 3D, for fre
   <img src="https://img.shields.io/badge/made%20with-Claude%20Code-d97757?logo=anthropic&logoColor=white" alt="Made with Claude Code">
   <img src="https://img.shields.io/badge/made%20with-Qwen%20%2B%20OpenCode-7b6cf6" alt="Made with qwen3.8-flash-next-iq3xxs and Strata in OpenCode">
   <img src="https://img.shields.io/badge/license-MIT-2ea44f" alt="MIT License">
-  <img src="https://img.shields.io/badge/languages-EN%20%7C%20DE-555" alt="English and German">
+  <img src="https://img.shields.io/badge/languages-18-555" alt="18 languages">
 </p>
 
 <p align="center">
@@ -178,7 +178,9 @@ On phones: tap to use a tool, drag to mark or move, two fingers to zoom and turn
   billboard sprites with eight viewing directions, every frame of it drawn by code - **no image files** except the font.
 - Procedural chiptune soundtrack as FastTracker 2 modules with its own XM replayer and synthesised sound effects.
 - A tiny Rust savegame server (axum, Argon2 passwords) - optional; without it the game uses savegame files.
-- English and German, more languages are one text file away.
+- 18 languages: German, English, Spanish, Portuguese, Dutch, Danish, Norwegian, Swedish, Finnish,
+  Russian, Croatian, Hungarian, Serbian, Romanian, Slovak, Czech, Italian and Greek – chosen from a
+  dropdown with pixel flags; another language is one text file away.
 
 ## Made with Claude Code
 

src/i18n.rs

@@ -12,6 +12,19 @@ const SOURCES: &[(&str, &str)] = &[
     ("es", include_str!("../lang/es.lang")),
     ("ru", include_str!("../lang/ru.lang")),
     ("it", include_str!("../lang/it.lang")),
+    ("pt", include_str!("../lang/pt.lang")),
+    ("nl", include_str!("../lang/nl.lang")),
+    ("da", include_str!("../lang/da.lang")),
+    ("no", include_str!("../lang/no.lang")),
+    ("sv", include_str!("../lang/sv.lang")),
+    ("fi", include_str!("../lang/fi.lang")),
+    ("hr", include_str!("../lang/hr.lang")),
+    ("hu", include_str!("../lang/hu.lang")),
+    ("sr", include_str!("../lang/sr.lang")),
+    ("ro", include_str!("../lang/ro.lang")),
+    ("sk", include_str!("../lang/sk.lang")),
+    ("cs", include_str!("../lang/cs.lang")),
+    ("el", include_str!("../lang/el.lang")),
 ];
 
 // order of the languages in the language dropdown