Add splitting and compression at ungoliant runtime

[Uinelj]

Adds ability to split and compress corpus as it is generated

[codecov]

Codecov Report

Merging #114 (d378c22) into dev (8b25ab5) will decrease coverage by 2.04%.
Report is 6 commits behind head on dev.
The diff coverage is 31.25%.

@@            Coverage Diff             @@
##              dev     #114      +/-   ##
==========================================
- Coverage   48.50%   46.47%   -2.04%     
==========================================
  Files          22       22              
  Lines        1138     1205      +67     
==========================================
+ Hits          552      560       +8     
- Misses        586      645      +59     

Files Changed	Coverage Δ
src/pipelines/oscardoc/pipeline.rs	0.00% <0.00%> (ø)
src/processing/rebuild.rs	0.00% <0.00%> (ø)
src/io/langfiles.rs	79.31% <45.45%> (-20.69%)	⬇️

... and 5 files with indirect coverage changes