Cherry pick Fix: fixes a broken link and some missing styling in the main docs to active_release

[alamb]

Automatic cherry-pick of 2e46ede

• Originally appeared in Fix: fixes a broken link and some missing styling in the main docs #1013: Fix: fixes a broken link and some missing styling in the main docs

[codecov-commenter]

Codecov Report

Merging #1019 (ade65e7) into active_release (a92672e) will increase coverage by 0.00%.
The diff coverage is n/a.

@@               Coverage Diff               @@
##           active_release    #1019   +/-   ##
===============================================
  Coverage           82.37%   82.38%           
===============================================
  Files                 168      168           
  Lines               49133    49133           
===============================================
+ Hits                40474    40477    +3     
+ Misses               8659     8656    -3     

Impacted Files	Coverage Δ
arrow/src/array/transform/mod.rs	85.47% <0.00%> (+0.13%)	⬆️
parquet/src/encodings/encoding.rs	93.71% <0.00%> (+0.19%)	⬆️
arrow/src/datatypes/datatype.rs	66.38% <0.00%> (+0.42%)	⬆️

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[alamb]

SIMD checks are failing due to some error in the nightly rust compiler