Add mod documentation in seven languages

manifest.json

@@ -3,7 +3,7 @@
   "name": "Cthangover: Starter Party",
   "version": "1.0.0",
   "author": "ct",
-  "description": "Seeds the default starter party (Marao) and the slave_master skill after mod resources are ready, and restores it on NewGameStartedEvent. Split out of cthangover_game so the base content mod stays pure content (scenes/dialogs/quests/data) with no C# gameplay logic.",
+  "description": "Gives a new game of Cthangover its starting state: Marao in the party and the Slave Trader skill. Only code — the data lives in the base game and the skills engine.",
   "category": "engine, library",
   "sources": [
     "src/**/*.cs"