chore: move Installation and Push to platform's domain folders

[addisonbeck]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-11129

📔 Objective

Pull Push and Installation code into Platform's domain. This is really the first time a Platform domain has been carved out on server, so some organizational structure was established to support this as well.

Other teams: this just updates references in your code.

⏰ Reminders before review

• Contributor guidelines followed
• All formatters and local linters executed and passed
• Written new unit and / or integration tests where applicable
• Protected functional changes with optionality (feature flags)
• Used internationalization (i18n) for all UI strings
• CI builds passed
• Communicated to DevOps any deployment requirements
• Updated any necessary documentation (Confluence, contributing docs) or informed the documentation team

🦮 Reviewer guidelines

• 👍 (:+1:) or similar for great changes
• 📝 (:memo:) or ℹ️ (:information_source:) for notes or general info
• ❓ (:question:) for questions
• 🤔 (:thinking:) or 💭 (:thought_balloon:) for more open inquiry that's not quite a confirmed issue and could potentially benefit from discussion
• 🎨 (:art:) for suggestions / improvements
• ❌ (:x:) or ⚠️ (:warning:) for more significant problems or concerns needing attention
• 🌱 (:seedling:) or ♻️ (:recycle:) for future improvements or indications of technical debt
• ⛏ (:pick:) for minor or nitpick changes

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.69%. Comparing base (4b2030d) to head (c3a3951).
Report is 7 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5085   +/-   ##
=======================================
  Coverage   43.69%   43.69%           
=======================================
  Files        1469     1469           
  Lines       67870    67870           
  Branches     6148     6148           
=======================================
  Hits        29658    29658           
  Misses      36919    36919           
  Partials     1293     1293           

☔ View full report in Codecov by Sentry.
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[github-actions]

Checkmarx One – Scan Summary & Details – ccb25afe-61c4-4522-a11f-c3edde41908d

Fixed Issues

Severity	Issue	Source File / Package
	CSRF	/src/Api/AdminConsole/Controllers/OrganizationsController.cs: 123
	CSRF	/src/Api/AdminConsole/Controllers/OrganizationsController.cs: 470
	CSRF	/src/Api/AdminConsole/Controllers/OrganizationsController.cs: 403
	CSRF	/src/Api/AdminConsole/Controllers/OrganizationsController.cs: 267

[justindbaur]

Looks great, thanks for adding some docs even!

The base branch was changed.

[tangowithfoxtrot]

LGTM

[Thomas-Avery]

KM changes look good

[rkac-bw]

lgtm