feat: Integrate setup behaviour

This adds options for enabling setup to the config folder.
All default configs with permanent storage (file/sparql)
are configured to require setup at server start.
Memory-based configs merely have it as an option.

templates/root/empty/.acl

@@ -0,0 +1,10 @@
+# Root ACL resource generated by the Community Server to allow public access
+@prefix acl: <http://www.w3.org/ns/auth/acl#>.
+@prefix foaf: <http://xmlns.com/foaf/0.1/>.
+
+<#authorization>
+    a               acl:Authorization;
+    acl:agentClass  foaf:Agent;
+    acl:mode        acl:Read, acl:Write, acl:Append, acl:Control;
+    acl:accessTo    <./>;
+    acl:default     <./>.

templates/root/empty/.meta

@@ -0,0 +1,7 @@
+@prefix pim: <http://www.w3.org/ns/pim/space#>.
+
+# It is imperative the root container is marked as a pim:Storage :
+# Solid, §4.1: "Servers exposing the storage resource MUST advertise by including the HTTP Link header
+# with rel="type" targeting http://www.w3.org/ns/pim/space#Storage when responding to storage’s request URI."
+# https://solid.github.io/specification/protocol#storage
+<> a pim:Storage.