feat: add Create Train Utilities mod

[JaronZ]

Resolves #103

[Copilot]

Pull Request Overview

This PR adds the "Create Train Utilities" mod and its dependency "DragonLib" to the forgeworks modpack, resolving issue #103.

• Adds Create Train Utilities mod configuration file
• Adds DragonLib dependency mod configuration file
• Updates index and pack hash to reflect the new mod additions

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
pack.toml	Updates pack hash to reflect modpack changes
create-trainutilities.pw.toml	Adds configuration for Create Train Utilities mod
dragonlib.pw.toml	Adds configuration for DragonLib dependency mod
index.toml	Adds index entries for both new mods with their respective hashes

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