Improve documentation for naming rules

[BraisGabin]

Align the description of all the naming rules.

[codecov]

Codecov Report

Merging #4146 (fa5aab9) into main (f12697d) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main    #4146   +/-   ##
=========================================
  Coverage     83.44%   83.44%           
  Complexity     3177     3177           
=========================================
  Files           465      465           
  Lines          9104     9104           
  Branches       1775     1775           
=========================================
  Hits           7597     7597           
  Misses          572      572           
  Partials        935      935           

Impacted Files	Coverage Δ
...tlab/arturbosch/detekt/rules/naming/ClassNaming.kt	100.00% <ø> (ø)
.../detekt/rules/naming/ConstructorParameterNaming.kt	100.00% <ø> (ø)
...itlab/arturbosch/detekt/rules/naming/EnumNaming.kt	92.85% <ø> (ø)
...b/arturbosch/detekt/rules/naming/FunctionNaming.kt	100.00% <ø> (ø)
...sch/detekt/rules/naming/FunctionParameterNaming.kt	90.90% <ø> (ø)
...rbosch/detekt/rules/naming/ObjectPropertyNaming.kt	100.00% <ø> (ø)
...ab/arturbosch/detekt/rules/naming/PackageNaming.kt	100.00% <ø> (ø)
...osch/detekt/rules/naming/TopLevelPropertyNaming.kt	100.00% <ø> (ø)
...b/arturbosch/detekt/rules/naming/VariableNaming.kt	96.15% <ø> (ø)

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