Add rust-vmm OpenDev ML

A group of interested developers for crosvm and Firecracker are
seeking a neutral location to host a discussion list for
collaboration around secure/special-purpose virtual machine monitors
implemented in the Rust programming language, and asked for the list
name to be rust-vmm. This request came to us via OSF staff who they
approached earlier this week.

Change-Id: I2003e3ae7a352b12d213a553f7ee0cd4f4e5d4f1
Depends-On: https://review.openstack.org/625241

modules/openstack_project/manifests/lists.pp

@@ -475,4 +475,12 @@ class openstack_project::lists(
     password    => $listpassword,
     description => 'The mailman site list',
   }
+
+  mailman_list { 'rust-vmm@opendev':
+    require     => Mailman::Site['opendev'],
+    ensure      => present,
+    admin       => 'claire@openstack.org',
+    password    => $listpassword,
+    description => 'Collaborating on Rust-based virtual machine monitors.',
+  }
 }