Creates a manifest file.
This task can be used to write a Manifest file, optionally replacing or updating an existing file.
| Attribute | Description | Required |
| file | the manifest-file to create/update. | Yes |
| mode | One of "update" or "replace", default is "update". | No |
One attribute for the manifest file. Those attributes that are not nested into a section will be added to the "Main" section.
| Attribute | Description | Required |
| name | the name of the attribute. | Yes |
| value | the name of the attribute. | Yes |
A manifest section - you can nest attribute elements into sections.
| Attribute | Description | Required |
| name | the name of the section. | No, if ommitted it will be assumed to be the main section. |