profiles: add unconfined foliate profile

Foliate is using user namespaces via bwrap. For now add an unconfined
profile to support it.

Fixes: https://github.com/johnfactotum/foliate/issues/1271
Signed-off-by: John Johansen <john.johansen@canonical.com>

profiles/apparmor.d/foliate

@@ -0,0 +1,12 @@
+# This profile allows everything and only exists to give the
+# application a name instead of having the label "unconfined"
+
+abi <abi/4.0>,
+include <tunables/global>
+
+profile foliate /usr/bin/foliate flags=(unconfined) {
+  userns,
+
+  # Site-specific additions and overrides. See local/README for details.
+  include if exists <local/foliate>
+}