feat: allow username and password in clientURL

[anshumanv]

• This is a bugfix
• This is a feature
• This is a code refactor
• This is a test update
• This is a docs update
• This is a metadata update

For Bugs and Features; did you add new tests?

yes

Motivation / Use-Case

allow auth using username and password

Breaking Changes

no

Additional Info

[codecov]

Codecov Report

Merging #3452 (84c9519) into master (307f2e7) will decrease coverage by 0.35%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #3452      +/-   ##
==========================================
- Coverage   94.13%   93.77%   -0.36%     
==========================================
  Files          33       33              
  Lines        1295     1301       +6     
  Branches      400      402       +2     
==========================================
+ Hits         1219     1220       +1     
- Misses         69       74       +5     
  Partials        7        7              

Impacted Files	Coverage Δ
bin/cli-flags.js	100.00% <ø> (ø)
lib/utils/normalizeOptions.js	98.41% <ø> (ø)
lib/utils/DevServerPlugin.js	95.20% <100.00%> (-2.28%)	⬇️
lib/Server.js	94.84% <0.00%> (-0.40%)	⬇️

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[alexander-akait]

Will fix test in the next PR, we have problems with ports 😞