Use correctly typed array as default assets

[christopher-dG]

This is just a bandaid over #69, #61 will use the new Documenter APIs properly.

[codecov]

Codecov Report

Merging #75 into master will increase coverage by 0.13%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #75      +/-   ##
==========================================
+ Coverage   97.83%   97.96%   +0.13%     
==========================================
  Files          13       13              
  Lines         369      443      +74     
==========================================
+ Hits          361      434      +73     
- Misses          8        9       +1

Impacted Files	Coverage Δ
src/plugins/documenter.jl	95.34% <100%> (ø)	⬆️
src/generate.jl	98.28% <0%> (+0.19%)	⬆️
src/licenses.jl	83.33% <0%> (+8.33%)	⬆️

---

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[codecov]

Codecov Report

Merging #75 into master will increase coverage by 0.13%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #75      +/-   ##
==========================================
+ Coverage   97.83%   97.96%   +0.13%     
==========================================
  Files          13       13              
  Lines         369      443      +74     
==========================================
+ Hits          361      434      +73     
- Misses          8        9       +1

Impacted Files	Coverage Δ
src/plugins/documenter.jl	95.34% <100%> (ø)	⬆️
src/generate.jl	98.28% <0%> (+0.19%)	⬆️
src/licenses.jl	83.33% <0%> (+8.33%)	⬆️

---

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 40c22b1...310f621. Read the comment docs.