This page is about helping you to add an extension such as a link or an icon or button onto either the home page or any other page within the Reference Application.
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Let us for-example add the "Manage ChartSearch" button extension onto the System Administration page which appears when the user clicks the System Administration button on the home page.
All your you need to do is to add a json file into your moduleId-omod/src/main/resources/apps/ folder which defines the details of the extension.
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In-case you want to add one instead onto the home page, then you should change that to: org.openmrs.referenceapplication.homepageLink
Since my extension type is configured as a link, i set the url to the URL that will be launched when the user clicks the button
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