add html export

export_presets.cfg

@@ -122,3 +122,28 @@ application/product_name=""
 application/file_description=""
 application/copyright=""
 application/trademarks=""
+
+[preset.3]
+
+name="HTML5"
+platform="HTML5"
+runnable=true
+custom_features=""
+export_filter="all_resources"
+include_filter=""
+exclude_filter=""
+export_path="expo/Nightbear.html"
+script_export_mode=1
+script_encryption_key=""
+
+[preset.3.options]
+
+custom_template/debug=""
+custom_template/release=""
+variant/export_type=0
+vram_texture_compression/for_desktop=true
+vram_texture_compression/for_mobile=false
+html/custom_html_shell=""
+html/head_include=""
+html/canvas_resize_policy=2
+html/experimental_virtual_keyboard=false