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/weapons/wk_ion.gd

@@ -0,0 +1,21 @@
+extends ItemDef
+
+func _init() -> void:
+	id       = "wk_ion"
+	name        = "Ionenstrahl"
+	name_en     = "Ion Beam"
+	desc        = "Schaden + zusätzliches Projektil — langsamer"
+	desc_en     = "Damage + extra projectile — slower"
+	category    = "WAFFENMODUL"
+	category_en = "WEAPON MOD"
+	icon     = "⚡"
+	cost     = 140
+	rarity   = 2
+	effects  = { "damage_mult": 1.25, "bullet_count": 1, "speed_mult": 0.70 }
+	visual_pixels = [
+		[5,  0, "accent"],
+		[7,  0, "bright"],
+		[4, -2, "accent"],
+		[4,  2, "accent"],
+	]
+	hull_size_bonus = 0.0