feat: add header design for release notes page

[viv-helix]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 94.66%. Comparing base (8276929) to head (ca9dbea).
⚠️ Report is 8 commits behind head on master.

Files with missing lines	Patch %	Lines
src/release-notes/ReleaseNotes.jsx	0.00%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           master       #3    +/-   ##
========================================
  Coverage   94.66%   94.66%            
========================================
  Files        1205     1205            
  Lines       26808    26890    +82     
  Branches     6028     5884   -144     
========================================
+ Hits        25377    25456    +79     
- Misses       1361     1375    +14     
+ Partials       70       59    -11     

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