Add UI for adding fleet maintained apps

[ghernandez345]

relates to #21775

NOTE: there still needs to be integrated with the API when this work is done.

Adds the UI for adding Fleet maintained applications. This includes:

the view to see all the fleet maintained apps

The fleet maintained app details Page:

• Changes file added for user-visible changes in changes/, orbit/changes/ or ee/fleetd-chrome/changes.
  See Changes files for more information.
• Added/updated tests
• Manual QA for all new/changed functionality

[codecov]

Codecov Report

Attention: Patch coverage is 38.63636% with 27 lines in your changes missing coverage. Please review.

Please upload report for BASE (feat-fleet-app-library@4d54dc8). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
frontend/services/entities/software.ts	0.00%	14 Missing ⚠️
...er/DataTable/SoftwareNameCell/SoftwareNameCell.tsx	0.00%	1 Missing ⚠️
...ontend/pages/SoftwarePage/components/icons/Box.tsx	50.00%	1 Missing ⚠️
...tend/pages/SoftwarePage/components/icons/Brave.tsx	50.00%	1 Missing ⚠️
...pages/SoftwarePage/components/icons/Cloudflare.tsx	50.00%	1 Missing ⚠️
...end/pages/SoftwarePage/components/icons/Docker.tsx	50.00%	1 Missing ⚠️
...ntend/pages/SoftwarePage/components/icons/Edge.tsx	50.00%	1 Missing ⚠️
...tend/pages/SoftwarePage/components/icons/Figma.tsx	50.00%	1 Missing ⚠️
...end/pages/SoftwarePage/components/icons/Notion.tsx	50.00%	1 Missing ⚠️
...pages/SoftwarePage/components/icons/TeamViewer.tsx	50.00%	1 Missing ⚠️
... and 4 more

Additional details and impacted files

@@                    Coverage Diff                    @@
##             feat-fleet-app-library   #22204   +/-   ##
=========================================================
  Coverage                          ?   65.19%           
=========================================================
  Files                             ?     1505           
  Lines                             ?   117148           
  Branches                          ?     3567           
=========================================================
  Hits                              ?    76376           
  Misses                            ?    33656           
  Partials                          ?     7116           

Flag	Coverage Δ
frontend	52.08% <38.63%> (?)

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[gillespi314]

LGTM!