In odoo/documentation-user#945, the developer documentation is merged
with the user documentation in a single repository and build config.

This commit then removes source files for the developer documentation
from the odoo/odoo repository.

DOC PR: https://github.com/odoo/documentation-user/pull/945

task-2351938
task-2352371
task-2205684
task-2352544

Co-authored-by: Victor Feyens <vfe@odoo.com>
Co-authored-by: Antoine Vandevenne <anv@odoo.com>

This doc page details the extract API and has the following structure:

- Service explanation.
- Expected successful flow
- Description of the 3 routes (request and response structure)
	- /parse
	- /get_results
	- /validate
- Hint for integration testing

closes odoo/odoo#61051

Signed-off-by: Florian Daloze (fda) <fda@odoo.com>

Add details in IoT for the release of a event with the longpolling

closes odoo/odoo#46215

X-original-commit: 0ce8ab484d03ea2fdb318a7427fc20c0028bb964
Signed-off-by: Quentin Lejeune (qle) <qle@odoo.com>

closes odoo/odoo#41038

X-original-commit: eaabad20516a73a97b23343a22357659c29945f7
Signed-off-by: Antoine Vandevenne (anv) <AntoineVDV@users.noreply.github.com>
Co-authored-by: Antoine Vandevenne (anv) <anv@odoo.com>

Explain how to use addons/mail/static/scripts/odoo-mailgate.py through
an incoming mail server like Postfix or Exim.

closes odoo/odoo#31363

Reduce footprint using a combination of resize/imageoptim saving ~10Mb

A comprehensive theme’s revamp, details:

=== New features ===
- Show titles permalink markers on hover
- “Scrollspy” effect for the sidebar

=== Fixes ===
- Solve an issue causing the sidebar to flicker on scroll
- Hide the sidebar if less then two links

=== Design ===
- Improve typography vertical rhythm and line height
- Visually increase separation between sections
- Review alerts and <dl> design
- Reduce cover’s size
- Reduce overall paddings/margins.

Closes #21304

Will be moved to odoo/documentation-user repository

cf task id 34230

* Create mobile.rst

(PR #14144, task 29027)