Add 7.0.2 release landing page

R1/source/releases/rel7.0.2.rst

+.. _rel7.0.2:
+
+Varnish Cache 7.0.2
+===================
+
+* Source download :download:`varnish-7.0.2.tgz <varnish-7.0.2.tgz>`
+
+* SHA256=524a495a6ad2bf5b7e4092b0907ed1d283dd270af426efa82b70714c630c3f61
+
+Varnish Cache 7.0.2 is a security fix of 7.0, 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.
+
+More information:
+
+* `Changelog entry for 7.0.2 <https://github.com/varnishcache/varnish-cache/blob/7.0/doc/changes.rst#varnish-cache-702-2022-01-25>`_
+
+* List of most important `Changes in 7.0 <https://varnish-cache.org/docs/7.0/whats-new/changes-7.0.html>`_
+
+* Help on `Upgrading to Varnish 7.0 <https://varnish-cache.org/docs/7.0/whats-new/upgrading-7.0.html>`_
+
+For installation instructions including information about cloud images see
+`the Varnish Installation Manual </docs/trunk/installation/index.html>`_
+
+We recommend using the manual installation procedure available at:
+https://packagecloud.io/varnishcache/varnish70/install#manual