Enhanced the configuration files to support multi-user management by introducing user options for multiple applications, including art, gaming, multimedia, and development tools. Updated existing modules to utilize these new user options, improving flexibility and maintainability in user package installations.
Removed the `lib.nix` file and refactored various modules to utilize `inputs.self.lib` for user package and attribute management. This change enhances consistency and maintainability across the configuration files.
Introduced a new file `lib.nix` containing helper functions to streamline user package management and attributes for multi-user configurations. Updated various modules to utilize these functions, enhancing code maintainability and readability.
