fix: pin brighterscript to 1.0.0-alpha.52; fix #167 example bsconfig collisions

[markwpearce]

Summary

1. Pin brighterscript to exact 1.0.0-alpha.52 (no caret) in every package.json — engine root, every examples/*, and scripts/exampleTemplate/scripts/ropmConsumerFixture. The old ^1.0.0-alpha.50 range already resolved to alpha.52 (confirmed via node_modules), but as a floating prerelease range it could silently drift to a newer alpha later — bslint+rooibos-roku (together): pre-existing file can't resolve a symbol from a brand-new file #175's bslint+rooibos-roku interaction bug is already known to be sensitive to exact alpha generation, so pin it everywhere instead of relying on install-time luck.

2. Fixes Example template bsconfig.json breaks build for every example except scenegraph #167: every example's bsconfig.json (and the exampleTemplate scaffold used by create-example) copied the engine's plain source and its SceneGraph component code-behind files into one shared destination folder. Component files declare same-named subs (redraw, init, onRenderComplete, etc.) that BrighterScript treats as global, so mixing them together caused ~33 duplicate-function errors the moment any example needed the engine's Shapes components (examples/scenegraph was the only example that already split them correctly).

   Fix: split every example's file copy into separate source and components destinations, matching examples/scenegraph's existing (correct) config. controller's prior components-exclusion workaround and special controller-web copy entry are no longer needed (the split copy already lands controller-web at the right destination) and have been removed.

A wrong turn worth flagging

I first tried nesting each destination under roku_modules/<packagename> to mirror exactly what a real ropm install produces (verified the real layout by packing the engine and installing it into a scratch consumer project). That version passed bsc --validate and npm run check:all cleanly — but failed to compile on a real Roku device: Install Failure: Compilation Failed. ShapeRenderTask (a SceneGraph Task node). Completely invisible to static analysis. Reverted to the flatter source/components destinations (still fully separating source from components, still fixing the actual collision) and confirmed both examples/scenegraph and examples/controller sideload and run cleanly on the same real device.

Verification

• npm run check:all (lint, validate, headless tests, validate every example) passes clean.
• npm run build-examples packages all 19 examples with no errors.
• Sideloaded examples/scenegraph and examples/controller to a real Roku: both install and run correctly (controller's QR code, ship, and controller-web server all confirmed on screen via screenshot).

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