Add plot_backtest_interactive using plotly, add this to logging in backtest

[Mr-Geekman]

IMPORTANT: Please do not create a Pull Request without creating an issue first.

Before submitting (must do checklist)

• Did you read the contribution guide?
• Did you update the docs? We use Numpy format for all the methods and classes.
• Did you write any new necessary tests?
• Did you update the CHANGELOG?

Type of Change

• Examples / docs / tutorials / contributors update
• Bug fix (non-breaking change which fixes an issue)
• Improvement (non-breaking change which improves an existing feature)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Proposed Changes

• Add plot_bactest_interactive, that uses plotly
• Add new plot to logging in WandbLogger

Related Issue

None.

Closing issues

None.

[codecov-commenter]

Codecov Report

Merging #225 (6cbb946) into master (db89a8e) will decrease coverage by 0.63%.
The diff coverage is 14.70%.

@@            Coverage Diff             @@
##           master     #225      +/-   ##
==========================================
- Coverage   89.02%   88.38%   -0.64%     
==========================================
  Files          78       78              
  Lines        3698     3728      +30     
==========================================
+ Hits         3292     3295       +3     
- Misses        406      433      +27     

Impacted Files	Coverage Δ
etna/analysis/plotters.py	12.43% <10.00%> (-0.48%)	⬇️
etna/loggers/wandb_logger.py	34.09% <33.33%> (-0.75%)	⬇️
etna/analysis/__init__.py	100.00% <100.00%> (ø)

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[martins0n]

👍