docs: initialize NixOS infrastructure with AI assistant

Creates PROJECT.md with vision and requirements.
Creates config.json with interactive workflow mode.

modules/nixos/services/docker_manager.nix

@@ -0,0 +1,36 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+{
+  options.services.myDockerStacks = mkOption {
+    type = types.attrsOf (types.submodule {
+      options = {
+        path = mkOption { type = types.path; };
+        ports = mkOption { type = types.listOf types.int; default = []; };
+      };
+    });
+    default = {};
+    description = "Attribute set of docker-compose stacks to run.";
+  };
+
+  config = {
+    # Generate the systemd services based on the options provided above
+    systemd.services = mapAttrs' (name: value: nameValuePair "${name}_stack" {
+      description = "${name} via Docker Compose";
+      after = [ "network-online.target" "docker.service" ];
+      wants = [ "network-online.target" "docker.service" ];
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig = {
+        WorkingDirectory = value.path;
+        ExecStartPre = "${pkgs.docker-compose}/bin/docker-compose down"; 
+        ExecStart = "${pkgs.docker-compose}/bin/docker-compose up -d";
+        ExecStop = "${pkgs.docker-compose}/bin/docker-compose down";
+        RemainAfterExit = true;
+      };
+    }) config.services.myDockerStacks;
+
+    # Automatically open firewall ports
+    networking.firewall.allowedTCPPorts = flatten (mapAttrsToList (n: v: v.ports) config.services.myDockerStacks);
+  };
+}