[ENH,REF] `utils` refactor

[MatthewMiddlehurst]

Refactors the utilities directory so its easier to find out the purpose of each function in the documentation. Adds a function for merging and saving .ts files. Stops local threading by default.

[tsml-actions-bot[bot]]

Thank you for contributing to tsml-eval

I have added the following labels to this PR based on the title: [ $\color{#FEF1BE}{\textsf{enhancement}}$, $\color{#BDD9DB}{\textsf{refactor}}$ ]. I have added the following labels to this PR based on the changes made: [ $\color{#0E7AF0}{\textsf{evaluation}}$, $\color{#8649A7}{\textsf{experiments}}$ ]. Feel free to change these if they do not properly represent the PR.

The Checks tab will show the status of our automated tests. You can click on individual test runs in the tab or "Details" in the panel below to see more information if there is a failure.

PR CI actions

These checkboxes will add labels to enable/disable CI functionality for this PR. This may not take effect immediately, and a new commit may be required to run the new configuration.

• [ ] Run pre-commit checks for all files
• [ ] Run all pytest tests and configurations
• [ ] Run all notebook example tests
• [ ] Stop automatic pre-commit fixes (always disabled for drafts)

[review-notebook-app[bot]]

Check out this pull request on 

See visual diffs & provide feedback on Jupyter Notebooks.

---

Powered by ReviewNB