Add reference to install profiles path lookups (#3916)

Author: AbrilRBS

reference/commands/install.rst

@@ -83,6 +83,10 @@ highest priority)
     # The values of myprofile3 will have higher priority
     $ conan install . -pr=myprofile1 -pr=myprofile2 -pr=myprofile3
 
+.. note::
+
+   Profiles are searched for in a variety of locations, :ref:`see here for more information <reference_config_files_profiles_using_profiles>`
+
 If values for any of ``settings``, ``options`` and ``conf`` are provided in the command line, they create a profile that
 is composed with the other provided ``-pr`` (or the "default" one if not specified) profiles, with higher priority,
 not matter what the order of arguments is.

reference/config_files/profiles.rst

@@ -120,6 +120,11 @@ always used:
     $ conan create . -pr=myprofile
 
 
+.. _reference_config_files_profiles_using_profiles:
+
+Using profiles
+--------------
+
 Profiles can be located in different folders:
 
 .. code-block:: bash