Refactor NixOS module and flake configuration for lidarr-mb-gap

- Updated `flake.nix` to streamline output definitions and improve readability.
- Refactored NixOS module configurations in `nixos/lidarr-mb-gap.nix` for better structure and clarity.
- Simplified the package import process in `nix/package.nix` by removing unnecessary parameters.
- Enhanced example configurations in `nixos/EXAMPLE_CONFIG.nix` to align with the new structure.

nixos/EXAMPLE_CONFIG.nix

@@ -20,7 +20,7 @@
 #
 # Then in your NixOS configuration:
 
-{ config, pkgs, inputs, ... }:
+{ pkgs, inputs, ... }:
 
 {
   imports = [
@@ -61,7 +61,7 @@
 # 
 # If you're not using flakes, import the module directly:
 
-{ config, pkgs, ... }:
+{ ... }:
 
 {
   imports = [
@@ -97,7 +97,7 @@
 # EXAMPLE 3: Minimal Configuration (No VPS Sync)
 # ============================================================================
 
-{ config, pkgs, inputs, ... }:
+{ pkgs, inputs, ... }:
 
 {
   imports = [