Initial commit — Godot space roguelite source

- Touch controls: direct InputEventScreenTouch in shop_ui (bypass relay)
- ItemDB: static preload list instead of DirAccess scan (export fix)
- All 18 items with EN localisation (name_en, desc_en, category_en)
- Ship playstyles: NOVA-1 shield, INFERNO ram, AURORA agile/tank
- Quasar: SMBH visual, jet boost, merge, push, BH-eating
- Atlas & UI text updated EN+DE

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

items/special/special_credit_mag.gd

@@ -0,0 +1,19 @@
+extends ItemDef
+
+func _init() -> void:
+	id       = "special_credit_mag"
+	name        = "Kreditmagnet"
+	name_en     = "Credit Magnet"
+	desc        = "+18% Kreditgewinn — keine Nachteile"
+	desc_en     = "+18% credit gain — no downsides"
+	category    = "SPEZIAL"
+	category_en = "SPECIAL"
+	icon     = "¢"
+	cost     = 170
+	rarity   = 2
+	effects  = { "credit_bonus": 1.18 }
+	visual_pixels = [
+		[0, -6, "accent"],
+		[0,  6, "accent"],
+	]
+	hull_size_bonus = 0.0