chore: migrate charlie-hr-app to standalone repo

[nicomiguelino]

User description

Removes source files from edge-apps/charlie-hr-app and redirects to Screenly/charlie-hr-app. Closes #822.

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PR Type

Other, Documentation

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Description

• Migrates CharlieHR app out of monorepo

• Replaces app README with repository redirect

• Updates root app listing link

• Removes legacy source and manifests

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Diagram Walkthrough

flowchart LR
  playground["Playground monorepo"]
  stub["CharlieHR README redirect"]
  standalone["Screenly/charlie-hr-app"]
  playground -- "removes app source" --> stub
  stub -- "points to" --> standalone

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File Walkthrough

	Relevant files
Miscellaneous	3 files main.js Removed CharlieHR dashboard application logic                        +0/-491  styles.css Removed CharlieHR dashboard styling                                            +0/-323  index.html Removed CharlieHR dashboard HTML shell                                      +0/-128
Documentation	2 files README.md Redirected CharlieHR listing to standalone repository        +1/-1      README.md Replaced app documentation with migration notice                  +2/-71
Configuration changes	2 files screenly.yml Removed production Screenly app manifest                                  +0/-64    screenly_qc.yml Removed QC Screenly app manifest                                                  +0/-64

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[github-actions]

PR Reviewer Guide 🔍

(Review updated until commit c9b9859)

Here are some key observations to aid the review process:

🎫 Ticket compliance analysis ✅ 822 - PR Code Verified Compliant requirements: Migrate edge-apps/charlie-hr-app from the Playground monorepo to its own standalone repository. The standalone repository should be Screenly/charlie-hr-app. Requires further human verification: Verify that the standalone Screenly/charlie-hr-app repository contains the migrated source, manifests, and documentation needed to replace the removed monorepo files.

⏱️ Estimated effort to review: 1 🔵⚪⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ No major issues detected

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Persistent review updated to latest commit c9b9859

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