feat: add "whats new" notification for user after every release.

[NishaSharma14]

[codecov]

Codecov Report

❌ Patch coverage is 85.00000% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 76.55%. Comparing base (e1b7360) to head (7e6e634).

Files with missing lines	Patch %	Lines
app/Notifications/WhatsNewNotification.php	25.00%	9 Missing ⚠️

Additional details and impacted files

@@                Coverage Diff                @@
##             development    #1438      +/-   ##
=================================================
+ Coverage          76.53%   76.55%   +0.01%     
- Complexity          3562     3575      +13     
=================================================
  Files                246      247       +1     
  Lines              13397    13450      +53     
=================================================
+ Hits               10253    10296      +43     
- Misses              3144     3154      +10     

Flag	Coverage Δ
unittests	76.55% <85.00%> (+0.01%)	⬆️

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