zip file structure:

----

packagename

•   META-INF
        -MANIFEST.MF

• componentname

                 -componentname.spec

                 -componentname.html

                 -componentname.js

----

MANIFEST.MF contents:

----

Manifest-Version: 1.0
Ant-Version: Apache Ant 1.8.4
Created-By: 1.7.0_05-b06 (Oracle Corporation)
Bundle-Name: Servoy Components

Name: componentname/componentname.spec
Web-Component: True

----

By default, a package and its contents is displayed in the HTML editor palette for each of the two types of forms: Responsive-Layout and Absolute-Layout. In order to include a package only when editing one type of form, the MANIFEST.MF file should also contain one of the two lines below

Responsive-Layout: True

Absolute-Layout: True