feat!: dynamically create hosts

This commit completely restructures the flake. Hosts are now seperate
from profile configuration files in hosts/[system]. Nixos and Darwin
configurations will be built when present in the respective folders in hosts/

profiles/server/nixos/kavita.nix

@@ -0,0 +1,42 @@
+{ pkgs, lib, config, ... }:
+{
+  config = lib.mkIf config.swarselsystems.server.kavita {
+    environment.systemPackages = with pkgs; [
+      calibre
+    ];
+
+
+    users.users.jellyfin = {
+      extraGroups = [ "users" ];
+    };
+
+    sops.secrets.kavita = { owner = "kavita"; };
+
+    networking.firewall.allowedTCPPorts = [ 8080 ];
+
+    services.kavita = {
+      enable = true;
+      user = "kavita";
+      settings.Port = 8080;
+      tokenKeyFile = config.sops.secrets.kavita.path;
+    };
+
+    services.nginx = {
+      virtualHosts = {
+        "scroll.swarsel.win" = {
+          enableACME = true;
+          forceSSL = true;
+          acmeRoot = null;
+          locations = {
+            "/" = {
+              proxyPass = "http://localhost:8080";
+              extraConfig = ''
+                client_max_body_size 0;
+              '';
+            };
+          };
+        };
+      };
+    };
+  };
+}