290 docs overall tp pipeline

[ethan-moss]

Description

Fixes #290 - adds a new explanation page covering the end-to-end transport performance pipeline.

Motivation and Context

Add an explanation page demonstrating, at a top-level, how transport_performance can be used to analyse transport networks.

Type of change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [X] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

How Has This Been Tested?

New documentation: All additions and changes render as expected locally.

Test configuration details:

• OS: macOS
• Python version: 3.9.13
• Java version: N/A
• Python management system: conda

Advice for reviewer

This branch is not yet up to date with main (likely to be a merge conflict in .gitignore. I'm happy to resolve this once #291 is merged to dev - just let me know.

Checklist:

• [X] My code follows the intended structure of this project
• [X] I have performed a self-review of my own code
• [X] I have commented my code, particularly in hard-to-understand areas
• [X] I have made corresponding changes to the documentation
• [X] My changes generate no new warnings
• [X] I have added tests that prove my fix is effective or that my feature works
  • Although, N/A for this PR.
• [X] New and existing unit tests pass locally with my changes
• [ ] Any dependent changes have been merged and published in downstream modules:
  • Can update when #291 is merged to dev

Additional comments

None.

[codecov-commenter]

Codecov Report

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

Project coverage is 98.13%. Comparing base (2ad9ec3) to head (b96b68a).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #292 +/- ## ======================================= Coverage 98.13% 98.13% ======================================= Files 21 21 Lines 1927 1927 ======================================= Hits 1891 1891 Misses 36 36 ``` | [Flag](https://app.codecov.io/gh/datasciencecampus/transport-network-performance/pull/292/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=datasciencecampus) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/datasciencecampus/transport-network-performance/pull/292/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=datasciencecampus) | `98.13% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=datasciencecampus#carryforward-flags-in-the-pull-request-comment) to find out more.

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