[Merged by Bors] - Implement JsRegExp

[nekevss]

This Pull Request is related to #2098.

It changes the following:

• Implements JsRegExp
• Adds a brief JsRegExp example under boa_examples

[codecov]

Codecov Report

Merging #2326 (1357af0) into main (df70302) will decrease coverage by 0.13%.
The diff coverage is 2.85%.

@@            Coverage Diff             @@
##             main    #2326      +/-   ##
==========================================
- Coverage   40.82%   40.69%   -0.14%     
==========================================
  Files         240      241       +1     
  Lines       22743    22811      +68     
==========================================
- Hits         9285     9283       -2     
- Misses      13458    13528      +70     

Impacted Files	Coverage Δ
boa_engine/src/object/builtins/jsregexp.rs	0.00% <0.00%> (ø)
boa_engine/src/builtins/regexp/mod.rs	66.13% <100.00%> (ø)
boa_engine/src/syntax/ast/node/spread/mod.rs	57.14% <0.00%> (-14.29%)	⬇️
...a_engine/src/syntax/ast/node/statement_list/mod.rs	78.12% <0.00%> (-3.13%)	⬇️
...ntax/parser/expression/left_hand_side/arguments.rs	35.00% <0.00%> (-2.50%)	⬇️
boa_engine/src/syntax/parser/expression/unary.rs	47.16% <0.00%> (-1.89%)	⬇️
...parser/expression/primary/array_initializer/mod.rs	38.88% <0.00%> (-1.86%)	⬇️
...ine/src/syntax/parser/expression/assignment/mod.rs	52.42% <0.00%> (+0.97%)	⬆️
boa_engine/src/syntax/ast/node/template/mod.rs	50.00% <0.00%> (+3.33%)	⬆️
...c/syntax/ast/node/declaration/function_decl/mod.rs	57.89% <0.00%> (+5.26%)	⬆️

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[jedel1043]

Thank you!

[jedel1043]

bors r+

[bors]

Pull request successfully merged into main.

Build succeeded:

• Clippy
• Documentation
• Examples
• Rustfmt
• Tests on Linux
• Tests on MacOS
• Tests on Windows