Correct report generation to use custom template

[tynsci]

• ensures skeleton.Rdm is correctly updated so changes are reflected in output

[mattfidler]

These dont pass CI.

[mattfidler]

Can you make sure the CI works before I review, please.

[codecov-commenter]

Codecov Report

Merging #364 (3a06bc3) into master (950357c) will increase coverage by 0.00%.
The diff coverage is 100.00%.

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@@           Coverage Diff           @@
##           master     #364   +/-   ##
=======================================
  Coverage   86.70%   86.71%           
=======================================
  Files          45       45           
  Lines        4243     4246    +3     
=======================================
+ Hits         3679     3682    +3     
  Misses        564      564           

Impacted Files	Coverage Δ
R/pmx-report.R	84.31% <100.00%> (+0.31%)	⬆️

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[mattfidler]

@tynsci any progress here. The due date is coming soon before we are kicked off of CRAN