Add 7.0.1 release landing page

R1/source/releases/rel7.0.1.rst

+.. _rel7.0.1:
+
+Varnish Cache 7.0.1
+===================
+
+* Source download :download:`varnish-7.0.1.tgz <varnish-7.0.1.tgz>`
+
+* SHA256=c4e75beff0d461611742361fe8039ee1233ddf755b2b8a1e18a5fcacbe2b4660
+
+Varnish Cache 7.0.1 is a maintenance and stability release of the 7.0 branch. All users of
+7.0 are encouraged to upgrade.
+
+More information:
+
+* `Changelog entry for 7.0.1 <https://github.com/varnishcache/varnish-cache/blob/7.0/doc/changes.rst#varnish-cache-701-2021-11-23>`_
+
+* 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