Added notes about creating parquet files and submodules in the development documentation

[joshuataylor]

This is copied out of the CI setup, I was confused why I was getting no files found for parquet.

I also added notes about recurse-submodules with Git.

[codecov]

Codecov Report

Merging #1096 (818d761) into main (2f1a223) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #1096      +/-   ##
==========================================
- Coverage   81.02%   81.01%   -0.01%     
==========================================
  Files         367      367              
  Lines       35350    35340      -10     
==========================================
- Hits        28641    28632       -9     
+ Misses       6709     6708       -1     

Impacted Files	Coverage Δ
src/buffer/immutable.rs	79.01% <0.00%> (-4.94%)	⬇️
src/array/utf8/mutable.rs	81.38% <0.00%> (-2.62%)	⬇️
src/bitmap/immutable.rs	80.86% <0.00%> (-0.62%)	⬇️
src/array/specification.rs	91.46% <0.00%> (-0.31%)	⬇️
src/io/ipc/read/reader.rs	95.80% <0.00%> (ø)
src/array/primitive/mod.rs	79.53% <0.00%> (ø)
src/array/binary/mod.rs	90.04% <0.00%> (+1.24%)	⬆️
src/array/utf8/mod.rs	82.74% <0.00%> (+3.35%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 2f1a223...818d761. Read the comment docs.

[jorgecarleitao]

Thanks, @joshuataylor !