Release 0.2.0: device-aware controls, spear, settings, shaders

Show touch controls only on touch platforms and keyboard hints only on
desktop, via a shared Controls.use_touch_ui() gate (is_touchscreen_available
is unreliable with emulate_touch_from_mouse). Bumps version to 0.2.0.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

ui_fonts.gd

@@ -11,6 +11,7 @@ const _ROMAN      := "res://fonts/Cinzel.ttf"
 
 static var _title: FontFile = null
 static var _body: FontFile = null
+static var _body_bold: FontVariation = null
 
 
 ## Ornate display face — big banners, menu title, win/lose text.
@@ -27,6 +28,17 @@ static func body() -> FontFile:
 	return _body
 
 
+## Emboldened Roman face for small, high-legibility bits (keycaps, badges) where
+## Cinzel's thin regular strokes wash out. Faked via FontVariation since only the
+## regular weight ships, so no extra .ttf is needed.
+static func body_bold() -> FontVariation:
+	if _body_bold == null:
+		_body_bold = FontVariation.new()
+		_body_bold.base_font = body()
+		_body_bold.variation_embolden = 0.5
+	return _body_bold
+
+
 static func _load(path: String) -> FontFile:
 	if ResourceLoader.exists(path):
 		var res := load(path)