Add ES6 Modules Support

[asimonok]

Resolves #232 Resolves #309 Resolves #313

Updates:

• Added handling code errors - panel will work if code has a syntax error
• Remove external scripts editor
• Added this object to afterRender code for simplifying keeping data and re-use it. Eg. destory chart before creating a new one

[codecov[bot]]

Codecov Report

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

Project coverage is 98.77%. Comparing base (43c8f2e) to head (b3fa69b).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #312 +/- ## ========================================== - Coverage 98.98% 98.77% -0.21% ========================================== Files 35 36 +1 Lines 491 491 Branches 86 82 -4 ========================================== - Hits 486 485 -1 - Misses 5 6 +1 ```

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