feat: introduce v1/source/sourceType endpoint

[anantjain45823]

Description of the change

Resolves INT-768 and INT-543
We are introducing a new version endpoint for sources in which we will cahnging the structure of the incoming request from
[ {},{} //raw events ],
to
[ { event:{}, //raw event source{} },{ event:{}, //raw event source{} } ]

This PR handles the backward scenario as well which makes it compatible with any server version

Type of change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Related issues

Fix #1

Checklists

Development

• Lint rules pass locally
• The code changed/added as part of this pull request has been covered with tests
• All tests related to the changed code pass in development

Code review

• This pull request has a descriptive title and information useful to a reviewer. There may be a screenshot or screencast attached
• "Ready for review" label attached to the PR and reviewers mentioned in a comment
• Changes have been reviewed by at least one other engineer
• Issue from task tracker has a link to this pull request

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (11fb7c4) 87.18% compared to head (1b26094) 87.25%.
Report is 9 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2722      +/-   ##
===========================================
+ Coverage    87.18%   87.25%   +0.06%     
===========================================
  Files          771      772       +1     
  Lines        28510    28550      +40     
  Branches      6658     6670      +12     
===========================================
+ Hits         24857    24910      +53     
+ Misses        3316     3304      -12     
+ Partials       337      336       -1     

Files	Coverage Δ
src/controllers/source.ts	100.00% <100.00%> (+14.28%)	⬆️
src/controllers/util/index.ts	100.00% <100.00%> (ø)
src/v1/sources/webhook/transform.js	100.00% <100.00%> (ø)

... and 13 files with indirect coverage changes

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[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

100.0% Coverage
0.0% Duplication