[RFC]: Add WebAssembly implementations for extended BLAS routines (tracking issue)

### Description

This RFC proposes adding WebAssembly implementations for extended BLAS routines. The purpose of this issue is to serve as a tracking issue for adding WebAssembly implementations for extended BLAS routines.

# Implementation Status for WebAssembly for extended BLAS Routines

## Single Precision

- [ ] sapx
- [ ] sapxsum
- [x] sapxsumkbn
- [ ] sapxsumkbn2
- [ ] sapxsumors
- [ ] sapxsumpw
- [ ] sasumpw
- [ ] scusum
- [ ] scusumkbn
- [ ] scusumkbn2
- [ ] scusumors
- [ ] scusumpw
- [ ] sdsapxsum
- [ ] sdsapxsumpw
- [ ] sdsnansum
- [ ] sdsnansumpw
- [ ] sdssum
- [ ] sdssumpw
- [ ] sfill
- [ ] snansum
- [ ] snansumkbn
- [ ] snansumkbn2
- [ ] snansumors
- [ ] snansumpw
- [ ] srev
- [ ] ssort2hp
- [ ] ssort2ins
- [ ] ssort2sh
- [ ] ssorthp
- [ ] ssortins
- [ ] ssortsh
- [ ] ssum
- [ ] ssumkbn
- [ ] ssumkbn2
- [ ] ssumors
- [ ] ssumpw

## Double Precision

- [ ] dapx #5643
- [ ] dapxsum
- [x] dapxsumkbn
- [ ] dapxsumkbn2 #5630
- [x] dapxsumors #5644 #5694
- [x] dapxsumpw
- [x] dasumpw #5549
- [ ] dcusum
- [ ] dcusumkbn
- [ ] dcusumkbn2
- [ ] dcusumors
- [ ] dcusumpw
- [ ] dfill
- [ ] dnanasum
- [x] dnanasumors
- [ ] dnannsum
- [ ] dnannsumkbn
- [ ] dnannsumkbn2
- [ ] dnannsumors
- [ ] dnannsumpw
- [ ] dnansum
- [ ] dnansumkbn
- [ ] dnansumkbn2 #5735
- [ ] dnansumors
- [x] dnansumpw
- [ ] drev
- [ ] dsapxsum
- [ ] dsapxsumpw
- [ ] dsnannsumors
- [ ] dsnansum
- [ ] dsnansumors
- [ ] dsnansumpw
- [ ] dsort2hp
- [ ] dsort2ins
- [ ] dsort2sh
- [ ] dsorthp
- [ ] dsortins
- [ ] dsort2sh
- [ ] dsorthp
- [ ] dsortins
- [ ] dsortsh
- [ ] dssum
- [ ] dssumors
- [ ] dssumpw
- [ ] dsum
- [ ] dsumkbn
- [ ] dsumkbn2
- [ ] dsumors
- [ ] dsumpw

### Related Issues

Related issues #5504 , #5505, #5506, #5507, #5509 and #5732 .

### Questions

No.

### Other

No.

### Checklist

- [x] I have read and understood the [Code of Conduct](https://github.com/stdlib-js/stdlib/blob/develop/CODE_OF_CONDUCT.md).
- [x] Searched for existing issues and pull requests.
- [x] The issue name begins with `RFC:`.

Use the unchecked routine list as the starting scope and review the related issues linked in the tracking table. The issue names no source files or tests; completion would require implementing selected WebAssembly extended BLAS routines and updating their checklist status.

Written by the indexing model from the issue text.