[ADD] general: add documentation about debug mode

general/developer_mode/activate.rst

@@ -0,0 +1,53 @@
+===================================
+Activate the Developer (Debug) Mode
+===================================
+
+The Developer or Debug Mode gives you access to extra and advanced tools.
+
+Through the Settings application
+--------------------------------
+
+Go to :menuselection:`Settings --> Activate the developer mode`.
+
+.. image:: media/settingsdebug.png
+   :align: center
+   :alt: Overview of the debug options under settings in Odoo
+
+.. note::
+   *Activate the developer mode (with assets)* is used by developers; *Activate the developer mode
+   (with tests assets)* is used by developers and testers.
+
+Once activated, the *Deactivate the developer mode* option becomes available.
+
+Through a browser extension
+---------------------------
+
+| Go to the settings and extensions of your web browser, and search for *Odoo Debug*. Once the
+  extension is installed, a new icon will be shown on your toolbar.
+| A single click enables a normal version of the mode, while a double click enables it with assets.
+| To deactivate it, use a single click.
+
+.. image:: media/monkey.png
+   :align: center
+   :alt: View of odoo’s debug icon in a chrome’s toolbar
+
+.. tip::
+   Developers: type ``?debug=assets`` and activate the mode with assets.
+
+Through the URL
+---------------
+
+On the URL add ``?debug=1`` or ``?debug=trueafter`` after *web*.
+
+.. image:: media/url.png
+   :align: center
+   :alt: Overview of an url with the debug mode command added in Odoo
+
+Locate the mode tools
+---------------------
+
+The bug icon, *Open Developer Tools*, can be found on the header of your pages.
+
+.. image:: media/bugicon.png
+   :align: center
+   :alt: Overview of a console page and the debug icon being shown in Odoo