Fix yaml configuration-envs-interpolation examples (#494)

the interpolation of the environment variables in yaml is wrong, I have changed the example from {$ ENV_VAR} to $ {ENV_VAR}
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Felipe Rubio 2021-08-23 21:01:45 -04:00 committed by GitHub
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@ -77,9 +77,9 @@ where ``examples/providers/configuration/config.yml`` is:
.. code-block:: ini
section:
option1: {$ENV_VAR}
option2: {$ENV_VAR}/path
option3: {$ENV_VAR:default}
option1: ${ENV_VAR}
option2: ${ENV_VAR}/path
option3: ${ENV_VAR:default}
See also: :ref:`configuration-envs-interpolation`.