chore: migrate powerbi to standalone repo

[nicomiguelino]

User description

Removes source files from edge-apps/powerbi and redirects to Screenly/powerbi-app. Closes #833.

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PR Type

Other, Documentation

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Description

• Remove monorepo Power BI app

• Redirect docs to standalone repository

• Drop obsolete manifests and tooling

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Diagram Walkthrough

flowchart LR
  monorepo["Playground Power BI app"]
  removed["Source and manifests removed"]
  redirect["README redirects users"]
  standalone["Screenly/powerbi-app"]
  monorepo -- "migrated out" --> removed
  removed -- "replaced by" --> redirect
  redirect -- "points to" --> standalone

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File Walkthrough

	Relevant files
Miscellaneous	9 files globals.d.ts Remove Power BI Screenly settings types                                    +0/-12    main.ts Remove Power BI application entrypoint                                      +0/-19    services.lib.ts Remove Power BI service helper library                                      +0/-82    services.ts Remove Power BI embedding service logic                                    +0/-190  services.types.ts Remove Power BI service type definitions                                  +0/-12    utils.lib.ts Remove Power BI utility constants                                                +0/-8      utils.ts Remove Power BI utility functions                                                +0/-62    style.css Remove Power BI app styling                                                            +0/-76    index.html Remove Power BI app HTML shell                                                      +0/-29
Tests	2 files services.test.ts Remove Power BI service unit tests                                              +0/-458  utils.test.ts Remove Power BI utility unit tests                                              +0/-140
Documentation	2 files README.md Update Power BI repository link                                                    +1/-1      README.md Replace docs with migration notice                                              +2/-24
Configuration changes	4 files .ignore Remove Power BI ignore rules                                                          +0/-4      screenly.yml Remove Power BI production manifest                                            +0/-62    screenly_qc.yml Remove Power BI QC manifest                                                            +0/-62    tsconfig.json Remove Power BI TypeScript configuration                                  +0/-8
Dependencies	1 files package.json Remove Power BI package configuration                                        +0/-31

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[github-actions]

PR Reviewer Guide 🔍

(Review updated until commit 07109c7)

Here are some key observations to aid the review process:

🎫 Ticket compliance analysis ✅ 833 - Fully compliant Compliant requirements: Migrate edge-apps/powerbi out of the Playground monorepo. Point users to the standalone repository at Screenly/powerbi-app.

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

🧪 No relevant tests

🔒 No security concerns identified

⚡ No major issues detected

[github-actions]

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[github-actions]

Persistent review updated to latest commit 07109c7

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