feat(flow, recommendations and search): Add recommendations, flow and playlist search functions

[arctixdev]

This PR adds:

• Function for getting users flow (Only the generic flow)

• Getting recommended tracks, playlists, albums and artists

• Searching for playlists

• Include tests for bug fix and new functionality

• Updated documentation for new feature

[arctixdev]

Should i just remove the tests for the features that need a valid access_token?

[browniebroke]

Should i just remove the tests for the features that need a valid access_token?

You should obtain an API token as described in the contributing guide, and run the tests with it.

It should record the request/responses in cassettes (with token hidden), which can be used by others and on CI to run tests without actually executing the requests.

[codecov]

Codecov Report

Merging #689 (494773f) into main (0cd1708) will not change coverage.
The diff coverage is 100.00%.

❗ Current head 494773f differs from pull request most recent head 8c49587. Consider uploading reports for the commit 8c49587 to get more accurate results

@@            Coverage Diff            @@
##              main      #689   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           18        18           
  Lines          637       649   +12     
  Branches        49        49           
=========================================
+ Hits           637       649   +12     

Impacted Files	Coverage Δ
src/deezer/client.py	100.00% <100.00%> (ø)

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[browniebroke]

@all-contributors please add @Un10ck3d for code, docs, test

[allcontributors]

@browniebroke

I've put up a pull request to add @Un10ck3d! 🎉