Add 6.0.10 release landing page

R1/source/releases/rel6.0.10.rst

+.. _rel6.0.10:
+
+Varnish Cache 6.0.10
+====================
+
+* Source download :download:`varnish-6.0.10.tgz <varnish-6.0.10.tgz>`
+
+* SHA256=6b85bf748ee379aa08e37504f86ead4ba7e0cc40eab1723c094bfe5a1e0726eb
+
+Varnish Cache 6.0.10 is a security fix of the Varnish Cache 6.0 LTS
+series, related to :ref:`VSV00008`. All users should, as soon as possible,
+upgrade to a secure version, either 6.0.10, 7.0.2 or 6.6.2.
+
+Complete list of changes in this release is available in the changelog.
+
+More information:
+
+* `changes.rst entry for 6.0.10 <https://github.com/varnishcache/varnish-cache/blob/6.0/doc/changes.rst#varnish-cache-6010-2022-01-25>`_
+
+* `List of changes and other good reasons to update to 6.0 </docs/6.0/whats-new/changes-6.0.html>`_
+
+* `Upgrading </docs/6.0/whats-new/upgrading-6.0.html>`_
+
+For installation instructions including information about cloud images see
+`the Varnish Installation Manual </docs/trunk/installation/index.html>`_