fix PMID for mock metagenome

[hyphaltip]

fix manuscript oink and use newer NCBI URL

Please replace this text with:

• This is a typo in the documentation which points to the incorrect PMID

If you are a new contributor, please provide my ORCID.

[codecov]

Codecov Report

Merging #1811 (8d25fd7) into latest (1c46d7a) will increase coverage by 6.69%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           latest    #1811      +/-   ##
==========================================
+ Coverage   83.50%   90.19%   +6.69%     
==========================================
  Files         113       87      -26     
  Lines       12164     8463    -3701     
  Branches     1622     1622              
==========================================
- Hits        10157     7633    -2524     
+ Misses       1749      572    -1177     
  Partials      258      258              

Flag	Coverage Δ
python	90.19% <ø> (ø)
rust	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/core/src/sketch/minhash.rs
src/core/src/encodings.rs
src/core/src/index/sbt/mhbt.rs
src/core/src/cmd.rs
src/core/src/ffi/cmd/compute.rs
src/core/src/errors.rs
src/core/src/signature.rs
src/core/src/index/search.rs
src/core/src/index/storage.rs
src/core/src/index/linear.rs
... and 16 more

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[ctb]

thanks!