Feat: Flash playback using Ruffle

What does this MR do?

Fixes #694 (closed).
This merge request introduces Shockwave Flash playback support using the Ruffle emulator.

Thanks to all the people who helped make this possible:

Debugging:

• From the Ruffle team: kjarosh, Dinnerbone, nosamu
• From the Sharkey team & contributors: Julia, hazelnoot, dakkar, piuvas
• Others: Freeplay

JP translation/localization: Henma

Reviewing (so far): Julia, hazelnoot, dakkar

And of course, the Ruffle project and its contributors!

This MR is standing on the shoulders of giants

Contribution Guidelines

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• I agree to follow this project's Contribution Guidelines
• I have made sure to test this merge request

packages/frontend/vite.config.local-dev.ts

@@ -6,6 +6,7 @@ import type { PluginOption, UserConfig } from 'vite';
 import * as yaml from 'js-yaml';
 import locales from '../../locales/index.js';
 import { getConfig } from './vite.config.js';
+import packageInfo from './package.json' with { type: 'json' };
 
 dns.setDefaultResultOrder('ipv4first');