[DOC] - Find good images for examples docs [documentation] [good first issue] #1568

[Abhash297]

Reference Issues/PRs

Gathered relevant images for the topics. Added a few references where it was necessary.

No new dependency

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I have added the following labels to this PR based on the title: [ $\color{#F3B9F8}{\textsf{documentation}}$ ]. I have added the following labels to this PR based on the changes made: [ $\color{#45FD64}{\textsf{examples}}$ ]. Feel free to change these if they do not properly represent the PR.

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[TonyBagnall]

@all-contributors add @Abhash297 for doc

[Abhash297]

@TonyBagnall @MatthewMiddlehurst Please review the PR

[TonyBagnall]

so I appreciate the effort. Can you confirm that all these images are freely available not under copywrite?

[Abhash297]

The images I took from research papers have been added to the reference section in the subsequent pages. Some Images like the one in "pre processing" were taken from an online article but it was a generic image so I did not add it to the reference.

[MatthewMiddlehurst]

IMO we should cut this back a bit, select a few examples/images and just focus on this in this PR. If the image is in examples/*/img, it should be used in the notebook itself.

[MatthewMiddlehurst]

examples/benchmarking/img/benchmark_algo1.png examples/classification/img/early.png examples/clustering/img/partition_tscl.png examples/datasets/img/example_ds.png examples/datasets/img/load_data.png examples/transformations/img/catch22.png examples/transformations/img/mini_rocket.png

These look fine, but some could use more informative names. Would select a couple from these for the first version of this PR (you can keep all of them in this one or a separate PR if you wish).