Time has come to update a bit applications name, summary and website links.
Purpose is to have a website page correctly set for applications to be used
in conjunction with the newly-introduced discover button.
Names and summaries are updated to be more updated and shiny.
This commit is related to task ID 47179 and 1861544. Related PR are #22689
and #25556. First one is about classic applications while second one is about
website applications.
Co-Authored-By: Nimesh Jethva <nje@odoo.com>