Improve docs about how to run dev tools

[hongquan]

Follow #318.
This PR adds a guide about how to run lint tools.
Because the command is long, I introduce a justfile to let run shorter command.

For why not use Makefile, there is an explanation.

How has this been tested?

Checklist

• I have added tests to cover my changes.

Summary by Sourcery

Add a justfile to simplify developer tooling commands and improve documentation for running development tools

New Features:

• Introduce a justfile with commands for common development tasks like formatting Django templates, building and serving docs, and building Docker images

Documentation:

• Create a new documentation section in setup.rst to guide developers on running development tools

Chores:

• Add justfile to provide more convenient command-line shortcuts for developers

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request introduces a justfile to simplify running development tools and adds documentation for setting up the development environment.

Flow diagram for using justfile

flowchart LR
    subgraph Using justfile
        A[Edit files] --> B{Run just command}
        B --> C{Execute command defined in justfile}
        C --> D[Result of the command]
    end

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File-Level Changes

Change	Details	Files
Introduces a justfile to simplify running development tools with shorter commands.	Added a justfile with recipes for common development tasks. Included recipes for formatting Django templates, building documentation, serving documentation, and building a Docker image for development.	justfile
Adds documentation for setting up the development environment.	Added a guide about how to run lint tools.	doc/developer/setup.rst

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[sourcery-ai]

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

Overall Comments:

• It might be worth mentioning just in the README or a contributing guide so developers know how to use it.
• Consider adding a comment to the justfile explaining why each command is useful for development.

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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