added release notes for v1.0.0 (#9)

Signed-off-by: Jose Borreguero <[email protected]>

docs/source/releases.rst

@@ -5,4 +5,8 @@ Release Notes
 
 1.0.0
 -----
-TBA
+- repository implements the `OpenSSF Best Practices Badge Program <https://www.bestpractices.dev/en/criteria/0>`_
+- codecov reports for every accepted change, uploaded to `codecov usansred <https://app.codecov.io/gh/neutrons/usansred>`_
+- generation of conda packages, uploaded to the `neutrons channel <https://anaconda.org/neutrons/usansred/files>`_
+- `online documentation <https://usansred.readthedocs.io/en/latest/>`_ for the user and the developer.
+- executable script `reduceUSANS` is the entry point for all reduction jobs