ERP5 Ingestion System is responsible for contributing various content into portal,
using special tool - portal_contributions. Content types which might be contributed are:
Table of Contents
Install erp5_ingestion and erp5_dms Business Templates, with their dependencies.
Navigate to portal_contribution_registry of your site. Every portal_type might
be configured to be mapped using various conditions.
Example: treat TIFFs as Images.
Navigate to portal_contributions. Choose Contribute content
from object's action, and (at least) browse for file.
Thanks to mapping between file extension and portal type, contributed contet will
be placed in proper modules - documents and files (like PDF files, Spreadsheets,
Texts) in Documents module, and Images in Images module.