chore: Adds check for license header

[konstantinabl]

Description:

Related issue(s):

Fixes #

Notes for reviewer:

Checklist

• Documented (Code comments, README, etc.)
• Tested (unit, integration, etc.)

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[github-actions]

Test Results

 25 files  + 2  322 suites  +26   39m 57s ⏱️ + 1m 6s
606 tests + 2  585 ✅  -  6  4 💤 ±0  17 ❌ + 8 
781 runs  +22  754 ✅ + 8  6 💤 +2  21 ❌ +12 

For more details on these failures, see this check.

Results for commit 497d7a5. ± Comparison against base commit 93aaf76.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.35%. Comparing base (93aaf76) to head (497d7a5).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3203      +/-   ##
==========================================
- Coverage   84.94%   83.35%   -1.60%     
==========================================
  Files          69       66       -3     
  Lines        4451     4290     -161     
  Branches      875      837      -38     
==========================================
- Hits         3781     3576     -205     
- Misses        405      473      +68     
+ Partials      265      241      -24     

Flag	Coverage Δ
config-service	98.14% <ø> (ø)
relay	85.54% <ø> (ø)
server	83.52% <ø> (ø)
ws-server	36.87% <ø> (ø)

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see 19 files with indirect coverage changes