Move dates formatting rules to a translatable file

[asbiin]

Close #1018

[codecov]

Codecov Report

Merging #1113 into master will decrease coverage by 0.2%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##             master   #1113     +/-   ##
==========================================
- Coverage      39.6%   39.5%   -0.1%     
  Complexity       11      11             
==========================================
  Files           200     200             
  Lines          5259    5236     -23     
==========================================
- Hits           2081    2064     -17     
+ Misses         3178    3172      -6

Impacted Files	Coverage Δ	Complexity Δ
app/Helpers/DateHelper.php	100% <100%> (+5.4%)	0 <0> (ø)	⬇️
app/Reminder.php	100% <0%> (+2.1%)	0% <0%> (ø)	⬇️

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[github-actions]

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