R: Vignettes and other documentation

# Vignettes and other documentation

## Vignettes from package 'exact2x2'

exact2x2::exact2x2 |  | exact2x2: Overview | PDF | source | R code
exact2x2::exact2x2Validation |  | exact2x2: Validation of Unconditional Exact Tests | PDF | source |
exact2x2::exactMcNemar |  | Exact McNemar's Test | PDF | source | R code
exact2x2::midpAdjustment |  | exact2x2: mid-p adjustment | PDF | source | R code
exact2x2::unconditionalExact2x2Tests |  | exact2x2: Unconditional Exact Tests | PDF | source | R code

## Other files in the doc directory

| CalculationDetailsBinomialMeldTest.pdf
| fay2009MatchingCI.pdf