Add examples to documentation: Part-4 (f-i)

[IndrajeetPatil]

Except fixed_regex_linter(); I will come back to it later.

Part of #1492

[codecov-commenter]

Codecov Report

Merging #1651 (a3c31d6) into main (c9731e3) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #1651   +/-   ##
=======================================
  Coverage   98.33%   98.33%           
=======================================
  Files         101      101           
  Lines        4443     4447    +4     
=======================================
+ Hits         4369     4373    +4     
  Misses         74       74           

Impacted Files	Coverage Δ
R/function_argument_linter.R	100.00% <ø> (ø)
R/function_left_parentheses_linter.R	100.00% <ø> (ø)
R/function_return_linter.R	100.00% <ø> (ø)
R/ifelse_censor_linter.R	100.00% <ø> (ø)
R/implicit_integer_linter.R	100.00% <ø> (ø)
R/inner_combine_linter.R	100.00% <ø> (ø)
R/infix_spaces_linter.R	100.00% <100.00%> (ø)

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[MichaelChirico]

Thanks for all the work here, I know it's a slog

[IndrajeetPatil]

Thanks for so thoroughly reviewing these changes! Find it very useful to clarify my own understanding of things.