Add in CollectionViewCollectionProvider.

[jindulys]

No description provided.

[codecov-io]

Codecov Report

Merging #53 into master will decrease coverage by 1.03%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master      #53      +/-   ##
==========================================
- Coverage   57.19%   56.16%   -1.04%     
==========================================
  Files          32       33       +1     
  Lines        1035     1054      +19     
==========================================
  Hits          592      592              
- Misses        443      462      +19

Impacted Files	Coverage Δ
...urces/Addon/CollectionViewCollectionProvider.swift	0% <0%> (ø)

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