feat: Nix Shell

[maningreen]

Description

Please include a summary of the changes and the related issue. Please also include relevant motivation and context. List any dependencies that are required for this change. If this change fixes any issues please put "Fixes #XX" in the description. Please also ensure to add the appropriate labels to the PR.

Guidelines

• My code follows the style guidelines of this project (formatted with Ruff)

• I have performed a self-review of my own code

• I have commented my code, particularly in hard-to-understand areas

• I have made corresponding changes to the documentation if needed

• My changes generate no new warnings

• I have tested this change

• Any dependent changes have been merged and published in downstream modules

• I have added all appropriate labels to this PR

• I have followed all of these guidelines.

How Has This Been Tested? (if applicable)

Ran dev shell and check nix flake show, and built tux from poetry.

Summary by Sourcery

Add Nix development shell configuration for the Tux project, enabling reproducible and consistent development environments across different systems.

New Features:

• Introduce Nix flake and shell configuration to support cross-platform development environment setup

Enhancements:

• Configure development shell with Python 3.13 and Poetry
• Support x86_64 and aarch64 architectures for Linux and macOS

Build:

• Create Nix flake with support for multiple system architectures
• Add shell.nix to define development environment dependencies

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request introduces a Nix flake configuration for the project, enabling reproducible development environments. It includes flake.nix to define the flake, shell.nix to specify the development shell environment with Python 3.13 and Poetry, and a flake.lock file to track dependencies. The .gitignore file is also updated to exclude flake.lock.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Introduces a Nix flake configuration for the project.	Adds a flake.nix file to define the project's Nix environment. Specifies the flake's description and input dependencies, including nixpkgs. Defines supported systems for the development shell. Creates a development shell using callPackage and shell.nix.	flake.nix
Introduces a Nix shell definition.	Adds a shell.nix file to define the development shell environment. Specifies the packages required for development, including python313 and poetry. Adds a shellHook to enter the user's preferred shell and exit after the child shell exits.	shell.nix
Adds a flake.lock file.	Adds a flake.lock file to track the versions of the flake's dependencies.	flake.lock
Updates .gitignore.	Adds flake.lock to .gitignore.	.gitignore

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[sourcery-ai]

Hey @maningreen - I've reviewed your changes - here's some feedback:

Overall Comments:

• Consider adding a .envrc file with direnv to automatically load the environment when entering the project directory.
• It might be helpful to add some common development tools to the nix shell, such as git or jq.

Here's what I looked at during the review

• 🟡 General issues: 1 issue found
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[midirhee12]

It's ready to merge now.

[maningreen]

lgtm

[kzndotsh]

lgtm

Waiting till we merge the pre-0.1 branch into main before accepting as there will likely be merge conflicts / adjustments needing to be made.

[electron271]

pre-0.1 has been merged into main @kzndotsh