Issue/bug template updated to the modern one

[sadrasabouri]

What does this implement/fix? Explain your changes.

Added

• feature_request.yml template
• config.yml for issue template

  Changed

• Bug report template modified

Any other comments?

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (ae76d83) 100.00% compared to head (46419ed) 100.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #203 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 4 4 Lines 637 637 Branches 95 95 ========================================= Hits 637 637 ```

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