build_answer_key: Create an answer key for a moodle quiz-question based...
In michaelfrancenelson/rmd.utils:

Create an answer key for a moodle quiz-question based assignment.

build_answer_key(
  doc_source_file,
  question_source_files,
  key_target_file = NULL,
  include_solution = FALSE,
  include_metadata_key = FALSE,
  question_number_fmt = "## Question %1$0.2d: %2$s",
  solution_section_fmt = "### Solution"
)

`doc_source_file`	a
`question_source_files`	aaa
`key_target_file`	blah
`include_solution`	blah
`include_metadata_key`	blah
`question_number_fmt`	blah
`solution_section_fmt`	blah