Need Documentation

[putrasurya]

Hello, is there any documentation to explain what's going on in this code?
https://github.com/wayneluke/vB5-Add..._searchbox.xml

thanks.

--------------- Added [DATE]1498205852[/DATE] at [TIME]1498205852[/TIME] ---------------

i also try to make hello world and edit code above, code below, but nothing appear when i'm drag the module to my custom page

<?xml version="1.0" encoding="ISO-8859-1"?>

<product productid="hello_world" active="1">
	<title>hello world</title>
	<description>hello world</description>
	<version>1</version>
	<url />
	<versioncheckurl />
	<dependencies>
	</dependencies>
	<codes>
	</codes>
	<templates>
		<template name="hello_world" templatetype="template" date="1483365707" username="Wayne" version="1"><![CDATA[Hello World!]]></template>
	</templates>
	<stylevardfns>
	</stylevardfns>
	<stylevars>
	</stylevars>
	<hooks>
	</hooks>
	<phrases>
		<phrasetype name="GLOBAL" fieldname="global">
			<phrase name="hello_world_widgettitle" date="1480333644" username="Wayne" version="1"><![CDATA[Hello]]></phrase>
		</phrasetype>
	</phrases>
	<options>
	</options>
	<helptopics>
	</helptopics>
	<cronentries>
	</cronentries>
	<faqentries>
	</faqentries>
	<widgets>
		<widget guid="hello_world-81fc38c8-176f-415e-bc87-32013a905f6c7">
			<template>hello_world</template>
			<icon>module-icon-php.png</icon>
			<isthirdparty>1</isthirdparty>
			<category>Search</category>
			<cloneable>0</cloneable>
			<canbemultiple>1</canbemultiple>
			<product>hello_world</product>
			<definitions>
				<definition>
					<name>title</name>
					<field>Text</field>
					<defaultvalue>some value</defaultvalue>
					<isusereditable>1</isusereditable>
					<isrequired>1</isrequired>
					<displayorder>1</displayorder>
					<validationtype>force_datatype</validationtype>
					<product>hello_world</product>
				</definition>
			</definitions>
		</widget>
	</widgets>
	<pagetemplates>
	</pagetemplates>
	<pages>
	</pages>
	<channels>
	</channels>
	<routes>
	</routes>
</product>

VB ver: 5.3.1
thanks