Add GDExample.xml, Update web export preset

gdextension_cpp_example/demo/export_presets.cfg

@@ -1,24 +1,41 @@
 [preset.0]
 
-name="HTML5"
-platform="HTML5"
+name="Web"
+platform="Web"
 runnable=true
+advanced_options=false
+dedicated_server=false
 custom_features=""
 export_filter="all_resources"
 include_filter=""
 exclude_filter=""
 export_path=""
-script_export_mode=1
-script_encryption_key=""
+encryption_include_filters=""
+encryption_exclude_filters=""
+encrypt_pck=false
+encrypt_directory=false
+script_export_mode=2
 
 [preset.0.options]
 
 custom_template/debug=""
 custom_template/release=""
-variant/export_type=2
+variant/extensions_support=true
+variant/thread_support=true
 vram_texture_compression/for_desktop=true
 vram_texture_compression/for_mobile=false
+html/export_icon=true
 html/custom_html_shell=""
 html/head_include=""
 html/canvas_resize_policy=2
+html/focus_canvas_on_start=true
 html/experimental_virtual_keyboard=false
+progressive_web_app/enabled=false
+progressive_web_app/ensure_cross_origin_isolation_headers=true
+progressive_web_app/offline_page=""
+progressive_web_app/display=1
+progressive_web_app/orientation=0
+progressive_web_app/icon_144x144=""
+progressive_web_app/icon_180x180=""
+progressive_web_app/icon_512x512=""
+progressive_web_app/background_color=Color(0, 0, 0, 1)

gdextension_cpp_example/doc_classes/GDExample.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<class name="GDExample" inherits="Sprite2D"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/godotengine/godot/master/doc/class.xsd">
+	<brief_description>
+		It's a wiggling sprite!
+	</brief_description>
+	<description>
+	</description>
+	<tutorials>
+	</tutorials>
+	<methods>
+	</methods>
+	<members>
+	</members>
+	<signals>
+	</signals>
+	<constants>
+	</constants>
+</class>