Begin documenting how to build and release voltctl

Change-Id: Icbfb50fdf69e608281ee0af62b7501240c5d875c
diff --git a/howto/release/index.rst b/howto/release/index.rst
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+Release
+=======
+.. toctree::
+   :maxdepth: 2
+
+   voltctl/install
+   voltctl/release
+   voltctl/see_also
diff --git a/howto/release/installVoltctl.rst b/howto/release/installVoltctl.rst
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-VOLTHA Release: installVoltctl.groovy
-=====================================
-
-Release Notes
--------------
-The `repo:ci-management :: vars/installVoltctl.groovy <https://gerrit.opencord.org/plugins/gitiles/ci-management/+/refs/heads/master/vars/installVoltctl.groovy>`_ script is used to a versioned installed voltctl binary when working with LTS or an older released version.
-
-During release the install program will require an edit to capture the HEAD version of voltctl at the time of release.
-
-See Also
---------
-   * `vars/installVolthactl.groovy <https://gerrit.opencord.org/plugins/gitiles/ci-management/+/refs/heads/master/vars/installVoltctl.groovy>`_
-   * `VOLTHA Release Process <https://docs.voltha.org/master/release_notes/release_process.html?highlight=release>`_