Add Struct Prompt Module and Enhance Devcontainer and CI Configurations

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Overview
This PR introduces a new prompt module for the Struct tool and updates several configurations to enhance development and automation workflows.

Changes

• New Additions:

  • Added .github/prompts/struct.prompt.md to define prompt usage for Struct assistant.
  • Introduced multiple YAML sub-structs in struct_module/contribs/github/prompts/ including generic.yaml, react-form.yaml, security-api.yaml, and struct.yaml.
  • Added a comprehensive README.md to struct_module/contribs/ documenting all available sub-structs.

• Configuration Updates:

  • Enhanced .devcontainer/devcontainer.json:
    • Removed redundant comments.
    • Added features for pre-commit, Go Task runner, and shfmt.
    • Updated mount configurations for improved local development support.
  • Updated GitHub Actions:
    • Upgraded setup-python in pre-commit.yaml from v5.3.0 to v5.5.0.
    • Improved release-drafter.yaml with new checkout step, depth, and version.
  • Updated .struct.yaml to include the new github/prompts/struct struct.

Justification
These updates streamline development with enhanced tooling support and prompt-driven Struct generation, while improving CI/CD workflows and environment consistency.

Impact

• Improved developer experience in containerized environments.
• Enhanced maintainability and modularity through prompt-based Structs.
• Better release management with enriched automation in workflows.