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_plasma.gd

@@ -0,0 +1,21 @@
+extends ItemDef
+
+func _init() -> void:
+	id       = "wk_plasma"
+	name        = "Plasmawerfer"
+	name_en     = "Plasma Launcher"
+	desc        = "Explosiver Schaden — träge Projektile"
+	desc_en     = "Explosive damage — sluggish projectiles"
+	category    = "WAFFENMODUL"
+	category_en = "WEAPON MOD"
+	icon     = "◉"
+	cost     = 130
+	rarity   = 2
+	effects  = { "damage_mult": 1.55, "bullet_speed_mult": 0.60 }
+	visual_pixels = [
+		[7, 0, "accent"],
+		[8, 0, "bright"],
+		[6, -3, "dim"],
+		[6,  3, "dim"],
+	]
+	hull_size_bonus = 0.0