feat: can handle bigint data

[kesoji]

Description

Fixes #185

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

I added returning bigint code in test-apps and check loader and action can handle bigint.

I want to add unit tests but can't figure out appropriate position to place tests.

• Unit tests

Checklist:

• My code follows the guidelines of this project
• [ x I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings or errors
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[pkg-pr-new]

Open in Stackblitz

npm i https://pkg.pr.new/forge-42/react-router-devtools@186

commit: a2d0d30

[AlemTuzlak]

I'm pretty sure this util wouldn't work if the bigInt is nested?

[kesoji]

@AlemTuzlak thanks for commenting. I wrote test about it. I think nested object can be converted.
https://github.com/forge-42/react-router-devtools/pull/186/files#diff-cbeddc41b1f357bd9fa39701fe1fdf8a19fff65302ad77bc23252a6ac3b00d90