Add notification API for shared libraries

[cRui861]

Includes a notification demo in the playground for Portal and a mock notifier (for Batch Explorer).

Screenshots from the Portal playground demo:

• Notification popups.
  
• Notifications in the notification tray with the pending notification is in an updated status.
  
• Notifications in the notification tray with the pending notification in a completed status.
  

Screenshots from web Playground demo

• Using mock notification for alerts (will replace with a Batch Explorer Notifier)
  
  

[codecov]

Codecov Report

Merging #2778 (96fb0c4) into main (131fe26) will decrease coverage by 0.02%.
The diff coverage is 59.34%.

❗ Current head 96fb0c4 differs from pull request most recent head a210bf9. Consider uploading reports for the commit a210bf9 to get more accurate results

@@            Coverage Diff             @@
##             main    #2778      +/-   ##
==========================================
- Coverage   66.47%   66.45%   -0.02%     
==========================================
  Files        1229     1232       +3     
  Lines       33744    33835      +91     
  Branches     6158     6160       +2     
==========================================
+ Hits        22431    22485      +54     
- Misses      11179    11216      +37     
  Partials      134      134              

Files Changed	Coverage Δ
packages/playground/src/layout/demo-nav-menu.tsx	100.00% <ø> (ø)
...ges/bonito-core/src/notification/alert-notifier.ts	8.33% <8.33%> (ø)
...ges/playground/src/demo/form/notification-demo.tsx	27.27% <27.27%> (ø)
...es/bonito-core/src/environment/mock-environment.ts	83.78% <50.00%> (-1.94%)	⬇️
packages/playground/src/demo-routes.tsx	56.75% <50.00%> (-0.39%)	⬇️
...ages/bonito-core/src/notification/fake-notifier.ts	84.61% <84.61%> (ø)
...ackages/bonito-core/src/environment/environment.ts	100.00% <100.00%> (ø)

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[gingi]

Rena, can you provide a screenshot or two of the demo?

[gingi]

The PR looks great, but I think renaming "Notification" to "Notifier" will avoid some confusion in the future.