Add Doris Schoolhouse and clean pending homelab changes

pihole/rpi4/unbound.conf

@@ -0,0 +1,27 @@
+server:
+    verbosity: 1
+    interface: 127.0.0.1
+    port: 5335
+    do-ip4: yes
+    do-udp: yes
+    do-tcp: yes
+    do-ip6: no
+
+    auto-trust-anchor-file: "/opt/unbound/etc/unbound/var/root.key"
+    val-permissive-mode: no
+
+    num-threads: 2
+    cache-min-ttl: 300
+    cache-max-ttl: 86400
+    prefetch: yes
+    prefetch-key: yes
+    minimal-responses: yes
+
+    qname-minimisation: yes
+    hide-identity: yes
+    hide-version: yes
+
+    access-control: 127.0.0.1/32 allow
+    access-control: 0.0.0.0/0 refuse
+
+    root-hints: "/opt/unbound/etc/unbound/var/root.hints"