feat: isBeforeMonth and isAfterMonth

[dmtrKovalenko]

closes #646

[codecov-commenter]

Codecov Report

Merging #648 (ff63856) into master (6c16bac) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master      #648   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           16        16           
  Lines         1539      1565   +26     
  Branches       196       196           
=========================================
+ Hits          1539      1565   +26     

Impacted Files	Coverage Δ
...kages/date-fns-jalali/src/date-fns-jalali-utils.ts	100.00% <100.00%> (ø)
packages/date-fns/src/date-fns-utils.ts	100.00% <100.00%> (ø)
packages/dayjs/src/dayjs-utils.ts	100.00% <100.00%> (ø)
packages/js-joda/src/js-joda-utils.ts	100.00% <100.00%> (ø)
packages/luxon/src/luxon-utils.ts	100.00% <100.00%> (ø)
packages/moment/src/moment-utils.ts	100.00% <100.00%> (ø)