Support webpack 5

[gregberge]

• fix(webpack): fix webpack 5 behaviour with url-loader
• docs(examples): update examples

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[codecov]

Codecov Report

Merging #623 (9a4cbce) into main (a857bb1) will decrease coverage by 0.48%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##             main     #623      +/-   ##
==========================================
- Coverage   89.61%   89.12%   -0.49%     
==========================================
  Files          32       32              
  Lines         693      699       +6     
  Branches      221      221              
==========================================
+ Hits          621      623       +2     
- Misses         71       75       +4     
  Partials        1        1              

Impacted Files	Coverage Δ
packages/webpack/src/index.ts	84.84% <50.00%> (-11.45%)	⬇️

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