This pull request adds a large set of custom tools for government procurement workflows and an Odoo app-building module, alongside environment setup updates. It also includes several upstream fixes that improve reliability in email, marketing, point of sale, product catalogs, and employee attendance calculations.

Description of the issue/feature this PR addresses:

Current behavior before PR:

Desired behavior after PR is merged:




---
I confirm I have signed the CLA and read the PR guidelines at www.odoo.com/submit-pr