[ENH] Implements Density Peak Clustering

[aryanpola]

Reference Issues/PRs

Fixes #2790

What does this implement/fix? Explain your changes.

Implements DPCA.

Any other comments?

TODO

• Basic Implementation using dtw.
• Resolve output mismatch (compared against the python version).
• Compare against all the datasets. Maybe save the data in the data module.
• Implement Parallelization (numba).
• Create an example notebook

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I have added the following labels to this PR based on the title: [ $\color{#FEF1BE}{\textsf{enhancement}}$ ].
I have added the following labels to this PR based on the changes made: [ $\color{#4011F3}{\textsf{clustering}}$ ]. Feel free to change these if they do not properly represent the PR.

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