[FIX] *: fix incorrect/unstable links

- Removed the doc version and absolute path from all user doc redirections.
- Made developer doc redirections use 13.0 instead of online, master or earlier version string.
- Fixed outdated links.
- Enforced the use of :doc:, :ref: and :download: directives for redirections.
- Replaced google drive/docs links by doc redirections.

sales/send_quotations/deadline.rst

@@ -19,9 +19,8 @@ Use deadline in templates
 =========================
 
 You can also set a default deadline in a *Quotation Template*. Each
-time that template is used in a quotation, that deadline is applied. You
-can find more info about quotation templates `here 
-<https://docs.google.com/document/d/11UaYJ0k67dA2p-ExPAYqZkBNaRcpnItCyIdO6udgyOY/edit>`_.
+time that template is used in a quotation, that deadline is applied. See :doc:`quote_template` for
+more information about quotation templates.
 
 .. image:: media/quotationsdeadline02.png
   :align: center 

sales/send_quotations/get_signature_to_validate.rst

@@ -15,9 +15,9 @@ the *Online Signature & Payment* feature.
 .. image:: media/getsignaturetovalidate01.png
     :align: center 
 
-.. note:: 
- If you are using `quotation templates <https://drive.google.com/open?id=11UaYJ0k67dA2p-ExPAYqZkBNaRcpnItCyIdO6udgyOY>`_,
- you can also pick a default setting for each template.
+.. note::
+   If you are using :doc:`quotation templates <quote_template>`, you can also pick a default setting
+   for each template.
 
 Validate an order with a signature
 ==================================

sales/send_quotations/optional_items.rst

@@ -10,9 +10,7 @@ headset.
 Add suggested products to your quotation templates
 ==================================================
 
-Suggested products can be set on *Quotation Templates*.
-
-.. TODO You can find documentation about it here https://docs.google.com/document/u/1/d/11UaYJ0k67dA2p-ExPAYqZkBNaRcpnItCyIdO6udgyOY/edit?usp=drive_web&ouid=104638657716670524342
+Suggested products can be set on *Quotation Templates*. See :doc:`quote_template`.
 
 Once on a template, you can see a *Suggested Products* tab where you
 can add related products or services.

sales/send_quotations/quote_template.rst

@@ -32,7 +32,8 @@ On each template, you can also specify discounts if the option is
 activated in the *Sales* settings. The base price is set in the
 product configuration and can be changed by customer pricelists.
 
-.. TODO (TO LINK DOC LATER WHEN DONE based on this https://www.odoo.com/documentation/user/13.0/sales/products_prices/prices/pricing.html
+.. seealso::
+   - :doc:`../products_prices/prices/pricing`
 
 Edit your template
 ==================
@@ -88,6 +89,6 @@ Every quotation will now have this setting added to it.
 Of course you can still change it and make it specific for each
 quotation.
 
-.. todo  seealso
-..    `*https://docs.google.com/document/d/1OkC9MVvuDvzz2b9gZjfzMPzep7qdbOyZZxE0ZZj2K7E/edit* <https://docs.google.com/document/d/1OkC9MVvuDvzz2b9gZjfzMPzep7qdbOyZZxE0ZZj2K7E/edit>`__..
-..    `*https://docs.google.com/document/d/1LZC5C8dZY2gvP6QHx2w5BlakIxgcHIP6GeEuBBfsRNc/edit* <https://docs.google.com/document/d/1LZC5C8dZY2gvP6QHx2w5BlakIxgcHIP6GeEuBBfsRNc/edit>`__
+.. seealso::
+   - :doc:`get_signature_to_validate`
+   - :doc:`get_paid_to_validate`