Adding all-contributors

[ariefrahmansyah]

@all-contributors please add @ariefrahmansyah for code

[allcontributors[bot]]

@ariefrahmansyah

I've put up a pull request to add @ariefrahmansyah! :tada:

[ariefrahmansyah]

@all-contributors please add @lloistborn for review @all-contributors please add @azhry for code

[allcontributors[bot]]

@ariefrahmansyah

I could not determine your intention.

Basic usage: @all-contributors please add @someone for code, doc and infra

For other usages see the documentation

[ariefrahmansyah]

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