fix: optimize the ARM function for systems with weak SIMD performance (…

…#50)

* fix: optimize the ARM function for systems with weak SIMD performance

* updating results on README

* [no-ci] Updating v1 numbers

* [no-ci] Updating qualcomm numbers

* Update UTF8.cs

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Co-authored-by: Ubuntu <[email protected]>

Update README.md

Pre-release PR (#44)

* fix: add twitter and some optimizations for runs of asciis

* add twitter result to README

* added sse and avx results

* simplified the algorithm

* updating numbers

* tweaking

* preparing release

* integrating AVX-512

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Co-authored-by: Daniel Lemire <[email protected]>