feat(clone_methods): collection, dashboard and card

[lucmerceron]

Hello,

This MR encapsulates a bunch of scripts that we use at our company when we want to clone a collection and its components (dashboards / cards) while changing the targeted database of the cards to another one. This is useful when we have a new client and we need to instantiate a template collection for its database or when we need to duplicate a collection to do some tests without putting noise into the original one.

I couldn't properly create tests for the functions.
Related to #18 & #32

Regards

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 3.75000% with 154 lines in your changes are missing coverage. Please review.

Project coverage is 51.88%. Comparing base (607f5b8) to head (3cd752e).
Report is 6 commits behind head on master.

❗ Current head 3cd752e differs from pull request most recent head 9c1140e

Please upload reports for the commit 9c1140e to get more accurate results.

Files	Patch %	Lines
metabase_api/clone_methods.py	2.68%	145 Missing ⚠️
metabase_api/_helper_methods.py	10.00%	9 Missing ⚠️

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Additional details and impacted files

@@             Coverage Diff             @@
##           master      #52       +/-   ##
===========================================
- Coverage   62.39%   51.88%   -10.51%     
===========================================
  Files           7        8        +1     
  Lines         734      900      +166     
===========================================
+ Hits          458      467        +9     
- Misses        276      433      +157     

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[vvaezian]

Hi @lucmerceron, thanks for the PR. I'll review it soon.

[lucmerceron]

Thanks @vvaezian, tell me if I can be of any help

[vvaezian]

@lucmerceron If you can create some unittests that would be great. There is a sqlite DB in tests/data. You can duplicate that with a different name and use it as the target db. You can use https://sqliteviewer.flowsoft7.com/ to view the content of sqlite DBs. Instructions for unittesting is available in the tests dir.