Use wildcard import for top-level Phaser name

[enderandpeter]

These changes are meant to address #9. Although the original message in the issue says that the package.json should be updated for Phaser v4, that does not apply to this repo.

Instead, there was another issue that came up related to Phaser v4 regarding how it does not provide a global import. As a result, references to Phaser throughout the scaffolding templates will result in the error I reported in the issue. Also, I am very certain this Discord comment is referring to the same issue.

The simplest way to resolve the Uncaught ReferenceError is for the template files to have import * as Phaser from 'phaser'; so the original content can be retained.

I only changed a file to refer to Phaser.Math as PhaserMath with an accompanying imported alias so that Math would still be available.

Please review this very carefully. Let me know the best way to test the changes. I believe it's very possible to refer to my local project instead of the NPM project when using npm create or something similar...

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Note

Medium Risk
Touches many starter templates and demo entrypoints; while changes are mostly import rewrites, incorrect module interop or tree-shaking differences could break generated projects across bundlers.

Overview
Switches scaffolding templates (Angular/React/Next/Remix/Solid/Vue) and multiple demo entrypoints to use a namespace import (import * as Phaser from 'phaser') so existing Phaser.* references work with module-only Phaser builds.

In phasers-revenge, adjusts Bullet to avoid shadowing the global Math by aliasing the Phaser math import to PhaserMath and updating usages accordingly.

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[gammafp]

Thank you @enderandpeter