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/drives/drive_quantum.gd

@@ -0,0 +1,21 @@
+extends ItemDef
+
+func _init() -> void:
+	id       = "drive_quantum"
+	name        = "Quantenantrieb"
+	name_en     = "Quantum Drive"
+	desc        = "Speed + Wendekraft — fragile Projektile"
+	desc_en     = "Speed + agility — fragile projectiles"
+	category    = "ANTRIEBSMOD"
+	category_en = "DRIVE MOD"
+	icon     = "◈"
+	cost     = 135
+	rarity   = 2
+	effects  = { "speed_mult": 1.22, "turn_mult": 1.18, "bullet_speed_mult": 0.80 }
+	visual_pixels = [
+		[-5, -2, "accent"],
+		[-5,  2, "accent"],
+		[-6, -3, "mid"],
+		[-6,  3, "mid"],
+	]
+	hull_size_bonus = 0.0