Rename DiskArrays internals

[felixcremer]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 46.32%. Comparing base (439bc96) to head (c823c7b).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/mwops.jl	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #37   +/-   ##
=======================================
  Coverage   46.32%   46.32%           
=======================================
  Files          22       22           
  Lines        2137     2137           
=======================================
  Hits          990      990           
  Misses       1147     1147           

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[coveralls]

Pull Request Test Coverage Report for Build 13436908413

Details

• 3 of 4 (75.0%) changed or added relevant lines in 3 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 46.327%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/mwops.jl	0	1	0.0%

Totals
Change from base Build 13138990934:	0.0%
Covered Lines:	990
Relevant Lines:	2137

---

💛 - Coveralls

[rafaqz]

I should have deprecated ChunkType in that PR, sorry about this. But good incentive to get the API cleared up