[ADD] point_of_sale: add Mollie terminal doc

content/applications/sales/point_of_sale/payment_methods/terminals.rst

@@ -27,6 +27,7 @@ To activate a payment terminal and allow processing payments with it, follow the
    - :doc:`Axepta BNP Paribas <terminals/worldline_axepta>`
    - :doc:`Dpopay <terminals/dpo>`
    - :doc:`Mercado Pago <terminals/mercado_pago>`
+   - :doc:`Mollie <terminals/mollie>`
    - :doc:`Pine Labs <terminals/pine_labs>`
    - :doc:`QFPay <terminals/qfpay>`
    - :doc:`Razorpay <terminals/razorpay>`
@@ -59,6 +60,7 @@ Once the transaction is successful, the payment is automatically validated in Po
    terminals/adyen
    terminals/dpo
    terminals/mercado_pago
+   terminals/mollie
    terminals/pine_labs
    terminals/qfpay
    terminals/razorpay

content/applications/sales/point_of_sale/payment_methods/terminals/mollie.rst

@@ -0,0 +1,62 @@
+======
+Mollie
+======
+
+**Mollie** is a payment service that offers payment solutions through physical :doc:`payment
+terminals <../terminals>`, tap terminals, and terminal apps for Android and iOS devices.
+
+.. note::
+   Mollie payment terminals do not require an IoT Box to operate.
+
+.. seealso::
+   `List of supported countries
+   <https://help.mollie.com/hc/en-us/articles/33911501243154-In-person-payments-supported-countries>`_
+
+.. _pos/mollie/mollie_configuration:
+
+Mollie configuration
+====================
+
+To configure a Mollie terminal, create a `Mollie account <https://my.mollie.com>`_, then follow
+these steps:
+
+#. In the left menu, go to :menuselection:`In-person payments`.
+#. Select the desired payment terminal from the list.
+#. Click :guilabel:`Terminal information` in the top menu.
+#. Copy the :guilabel:`Terminal ID`; it is required for the :ref:`Odoo POS configuration
+   <pos/mollie/pos_configuration>` process.
+#. Click the :guilabel:`Developers` icon in the bottom left corner.
+#. Copy the :guilabel:`Live API key`; it is required for the :ref:`Odoo POS configuration
+   <pos/mollie/pos_configuration>` process.
+
+.. important::
+    The :guilabel:`Live API key` provides access to the Mollie account and must be kept secure.
+
+.. note::
+   Refer to the `Mollie website <https://www.mollie.com/products/pos-payments>`_ for a full list of
+   supported terminals and their setup instructions.
+
+.. _pos/mollie/pos_configuration:
+
+Odoo POS configuration
+======================
+
+To connect the Mollie terminal with Odoo Point of Sale, follow these steps:
+
+#. Go to :menuselection:`Point of Sale --> Configuration --> Payment Methods` and :doc:`create a
+   payment method <../../payment_methods>`.
+#. Set the :guilabel:`Journal` field to :guilabel:`Bank`.
+#. Select the desired point of sale in the :guilabel:`Point of Sale` field.
+#. Set the :guilabel:`Integration` field to :guilabel:`Terminal`.
+#. Click :guilabel:`Activate` or :guilabel:`Setup` under the Mollie integration from the list of
+   providers if needed.
+#. Optionally, set the :guilabel:`Integrate with` field to :guilabel:`Mollie`.
+#. Set the :guilabel:`Mollie Payment Provider` field to :guilabel:`Mollie`.
+#. Paste the :ref:`terminal ID <pos/mollie/mollie_configuration>` into the :guilabel:`Mollie
+   Terminal ID` field.
+#. Hover over the :guilabel:`Mollie Payment Provider` field and click the :icon:`fa-arrow-right`
+   (:guilabel:`Internal link`) icon.
+#. Paste the :ref:`API key <pos/mollie/mollie_configuration>` into the :guilabel:`API Key` field.
+   Leave the :guilabel:`State` field on :guilabel:`Disabled` if the Mollie payment provider is not
+   used for :doc:`online payments </applications/finance/payment_providers/mollie>`.
+#. Save the payment provider form.