examples: add examples/gg/draw_unicode_text_with_gg.v, for easy comparison of how different fonts and unicode texts will look, when rendered by gg

examples/gg/draw_unicode_text_with_gg.v

@@ -0,0 +1,33 @@
+import os
+import gg
+
+println('Usage: `v run examples/gg/draw_unicode_text_with_gg.v [FONT_PATH] [TEXT_PATH]`')
+
+font_path := os.args[1] or {
+	os.resource_abs_path(os.join_path('..', 'assets', 'fonts', 'RobotoMono-Regular.ttf'))
+}
+dump(font_path)
+
+text_path := os.args[2] or {
+	os.resource_abs_path(os.join_path('..', 'ttf_font/draw_static_text.txt'))
+}
+dump(text_path)
+
+text := os.read_file(text_path)!
+dump(text)
+
+gg.start(
+	window_title: 'Draw unicode text with gg'
+	bg_color:     gg.Color{155, 155, 128, 255}
+	width:        1024
+	height:       140
+	font_path:    font_path
+	frame_fn:     fn [text] (ctx &gg.Context) {
+		ctx.begin()
+		ctx.draw_text(30, 50, text,
+			size:  24
+			color: gg.Color{50, 50, 255, 255}
+		)
+		ctx.end()
+	}
+)