[MOV] developer/api/external_api: move "External API" to the reference dir

task-2991663

Part-of: odoo/documentation#3629

content/developer/api.rst

@@ -7,5 +7,4 @@ API
 .. toctree::
     :titlesonly:
 
-    api/external_api
     api/extract_api

content/developer/reference.rst

@@ -10,3 +10,4 @@ Reference
 
     reference/addons
     reference/javascript
+    reference/external_api

content/developer/tutorials/restrict_data_access.rst

@@ -470,7 +470,7 @@ or a *visibility* feature before using it:
 
 * *Visibility* features mean a user can still access the model or record
   otherwise, either through an other part of the interface or by :doc:`perform
-  operations remotely using RPC <../api/external_api>`, things might just not be
+  operations remotely using RPC <../reference/external_api>`, things might just not be
   visible in the web interface in some contexts.
 * *Security* features mean a user can not access records, fields or operations.
 

redirects/14.0.txt

@@ -39,6 +39,7 @@ applications/sales/sales/advanced/portal.rst applications/general/users/portal.r
 
 # developer/howtos
 
+developer/api/external_api.rst developer/reference/external_api.rst                                              # reorganize the developer doc
 developer/api/iap.rst developer/howtos/provide_iap_services.rst                                                  # reorganize the developer doc
 developer/howtos/backend.rst developer/tutorials/backend.rst                                                     # reorganize the developer doc
 developer/howtos/rdtraining.rst developer/tutorials/getting_started.rst                                          # reorganize the developer doc