Add more mrg* or sym* variants for the Haskell standard library

[lsrcz]

This pull request provides mrg* and sym* variants for all the functions that come from the following modules:

• Control.Monad,
• Control.Applicative,
• Data.Functor,
• Data.Traversable,
• Data.Foldable,
• Data.List.

This pull request also modified some constraints to the existing functions, like mrgFmap. This is a breaking change.

This pull request is related to #117.

[codecov]

Codecov Report

Attention: Patch coverage is 91.45299% with 30 lines in your changes are missing coverage. Please review.

Project coverage is 60.00%. Comparing base (a205d58) to head (66fb80e).

❗ Current head 66fb80e differs from pull request most recent head 23164bf. Consider uploading reports for the commit 23164bf to get more accurate results

Files	Patch %	Lines
src/Grisette/Lib/Control/Monad.hs	84.37%	8 Missing and 2 partials ⚠️
src/Grisette/Core/Data/Class/SOrd.hs	75.00%	6 Missing ⚠️
src/Grisette/Lib/Data/Foldable.hs	94.11%	4 Missing ⚠️
src/Grisette/Core/Control/Monad/UnionM.hs	82.35%	3 Missing ⚠️
src/Grisette/Core/Data/Class/SafeLinearArith.hs	75.00%	3 Missing ⚠️
src/Grisette/Core/Data/Class/PlainUnion.hs	50.00%	2 Missing ⚠️
src/Grisette/Lib/Data/List.hs	99.06%	0 Missing and 1 partial ⚠️
src/Grisette/Lib/Data/Traversable.hs	90.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #182      +/-   ##
==========================================
+ Coverage   58.28%   60.00%   +1.72%     
==========================================
  Files          70       72       +2     
  Lines        5880     6149     +269     
  Branches      508      506       -2     
==========================================
+ Hits         3427     3690     +263     
- Misses       1945     1953       +8     
+ Partials      508      506       -2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.