481 - Improving readability and reproducibility of the repo

[mxochicale]

Description

Fixes #481: Improving readability and reproducibility, including:

• Fixed templates for issues and PR
• Adds .pre-commit-config.yaml with schemas/github-issue-forms.json to check templates
• Adds note for links that are not open to the public by essentially requesting access with a new issue
• Adds collapsed sections to improve readability of main README

Type of change

Please delete options accordingly to the description.

• [x] New feature (non-breaking change which adds functionality)
• [x] This change requires a documentation update

Suggested Checklist

• [x] I have performed a self-review of my own code.
• [x] I have made corresponding changes to the documentation.
• [x] My changes generate no new warnings.
• [x] I have commented my code, particularly in hard-to-understand areas.
• [x] I have passed on my local host device. (see further details at the CONTRIBUTING document)
• [x] Make sure your branch is up-to-date with main branch. See CONTRIBUTING for a general example to syncronise your branch with the main branch.
• [x] I have requested PR review to UCLH-Foundtry/arc-dev
• [ ] I have addressed and marked as resolved all the review comments in my PR.
• [ ] Finally, I have selected squash and merge

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 87.32%. Comparing base (4ab7d06) to head (6514400). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #514 +/- ## ======================================= Coverage 87.32% 87.32% ======================================= Files 76 76 Lines 3440 3440 ======================================= Hits 3004 3004 Misses 436 436 ```

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