split up hopper lab configuration into multiple files

sys/machines/hopper/lab/adguard.nix

@@ -0,0 +1,39 @@
+{
+  services.adguardhome = {
+    enable = true;
+    mutableSettings = false;
+    port = 23489;
+    settings = {
+      dhcp.enabled = false;
+      dns = {
+        upstream_dns = [
+          "quic://dns.nextdns.io"
+          "https://cloudflare-dns.com/dns-query"
+          "tls://unfiltered.adguard-dns.com"
+          "https://dns10.quad9.net/dns-query"
+        ];
+        bind_hosts = ["100.115.105.144"];
+        bootstrap_dns = ["1.1.1.1" "8.8.8.8"];
+      };
+      filtering = {
+        rewrites = [
+          {
+            domain = "*.hopper.xun.host";
+            answer = "100.115.105.144";
+          }
+          {
+            domain = "hopper.xun.host";
+            answer = "100.115.105.144";
+          }
+        ];
+      };
+      filters = [
+        {
+          name = "OISD (Big)";
+          url = "https://big.oisd.nl";
+          enabled = true;
+        }
+      ];
+    };
+  };
+}