Fix links (#418)

* Fix links

* Update tutorial_configuration.rst

Author: psakievich

tutorial_configuration.rst

@@ -38,7 +38,7 @@ A partial list of some key configuration sections is provided below.
 
 The full list of sections can be viewed with ``spack config list``.
 For further education we encourage you to explore the spack
-`documentation on configuration files https://spack.readthedocs.io/en/latest/configuration.html#configuration-files`_.
+`documentation on configuration files <https://spack.readthedocs.io/en/latest/configuration.html#configuration-files>`_.
 
 The principle goals of this section of the tutorial are:
 

tutorial_developer_workflows.rst

@@ -172,7 +172,7 @@ There are a few gotchas with the spack develop command
   package as a dev package. Spack needs to know the version of the dev
   package so it can supply the correct flags for the package's build
   system. If a version is not supplied then spack will take the maximum version
-  defined in the package where where `infinity versions https://spack.readthedocs.io/en/latest/packaging_guide.html#version-comparison`_ like ``develop`` and ``main``
+  defined in the package where where `infinity versions <https://spack.readthedocs.io/en/latest/packaging_guide.html#version-comparison>`_ like ``develop`` and ``main``
   have a higher value than the numeric versions.
 * You should ensure a spec for the package you are developing appears in the DAG of at least one of the roots of the environment with the same version that you are developing.
   ``spack add <package>`` with the matching version you want to develop is a way to ensure