Add minimum/maximum for NoDist

[cpfiffer]

I noticed there wasn't a minimum or maximum implementation for NoDist, so I added them.

[devmotion]

Out of curiosity, what's the main purpose of NoDist?

[codecov]

Codecov Report

Merging #88 into master will decrease coverage by 0.18%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master      #88      +/-   ##
==========================================
- Coverage   77.01%   76.83%   -0.19%     
==========================================
  Files          13       13              
  Lines         844      846       +2     
==========================================
  Hits          650      650              
- Misses        194      196       +2     

Impacted Files	Coverage Δ
src/distribution_wrappers.jl	26.66% <0.00%> (-4.11%)	⬇️

---

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 06aa6a6...a75855f. Read the comment docs.

[devmotion]

The PR looks good, maybe we could add a test?

[yebai]

The PR looks good, maybe we could add a test?

sorry, I merged too soon - maybe add a test in a separate PR?