feat: Improved Vert.x 4 support + added quickstart

[manusa]

Description

feat: Improved Vert.x 4 support + added quickstart

#584

Type of change

• Bug fix (non-breaking change which fixes an issue)
• Feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change
• Chore (non-breaking change which doesn't affect codebase;
  test, version modification, documentation, etc.)

Checklist

• I have read the contributing guidelines
• I signed-off my commit with a user that has signed the Eclipse Contributor Agreement
• I Added CHANGELOG entry
• I have implemented unit tests to cover my changes
• I have updated the documentation accordingly
• No new bugs, code smells, etc. in SonarCloud report
• I tested my code in Kubernetes
• I tested my code in OpenShift

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

100.0% Coverage
0.0% Duplication

[codecov]

Codecov Report

Merging #601 (224ff21) into master (1aaf217) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##             master     #601   +/-   ##
=========================================
  Coverage     42.46%   42.46%           
  Complexity     2885     2885           
=========================================
  Files           404      404           
  Lines         19484    19484           
  Branches       2761     2761           
=========================================
  Hits           8274     8274           
  Misses        10220    10220           
  Partials        990      990           

Impacted Files	Coverage Δ	Complexity Δ
.../eclipse/jkube/vertx/generator/VertxGenerator.java	52.50% <100.00%> (ø)	11.00 <0.00> (ø)

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