add attic and rm tor

hosts/chunk/attic.nix

@@ -0,0 +1,32 @@
+{config, ...}:
+{
+  services.atticd = {
+    enable = true;
+
+    environmentFile = config.sops.secrets."attic/env".path;
+
+    settings = {
+      listen = "[::]:8090";
+      api-endpoint = "https://cache.cything.io/";
+      allowed-hosts = [ "cache.cything.io" ];
+
+      jwt = { };
+
+      compression.type = "zstd";
+      storage = {
+        type = "s3";
+        region = "default";
+        bucket = "cy7";
+        endpoint = "https://e3e97aac307d106a7becea43cef8fcbd.r2.cloudflarestorage.com";
+      };
+      database.url = "postgresql://localhost/atticd";
+
+      chunking = {
+        nar-size-threshold = 64 * 1024; # 64 KiB
+        min-size = 16 * 1024; # 16 KiB
+        avg-size = 64 * 1024; # 64 KiB
+        max-size = 256 * 1024; # 256 KiB
+      };
+    };
+  };
+}