fix(crash): wrong app entry point

[FelipeEmos]

Hi, @atilafassina

I've noticed the quantum app crashes as soon as I open it...

That's because SolidStart expects the entry point to be at src/app.tsx and the current project is using src/App.tsx. So this PR is just a renaming of that file, which fixes the issue 🙃

Steps to reproduce

• Clone the repo
• Run pnpm install && pnpm dev
• Open the URL and you'll face the error message

Error Message

5:11:42 PM [vite] Internal server error: Failed to resolve import "#start/app" from "node_modules/.pnpm/@solidjs+start@1.0.1_rollup@4.18.0_solid-js@1.8.7_vinxi@0.3.12_@opentelemetry+api@1.9.0_@type_boxwf6i7jopexbi3kkefdqtuum/node_modules/@solidjs/start/dist/client/StartClient.jsx". Does the file exist?
  Plugin: vite:import-analysis
  File: /home/felipe/Development/misc/fork-quantum/node_modules/.pnpm/@solidjs+start@1.0.1_rollup@4.18.0_solid-js@1.8.7_vinxi@0.3.12_@opentelemetry+api@1.9.0_@type_boxwf6i7jopexbi3kkefdqtuum/node_modules/@solidjs/start/dist/client/StartClient.jsx:3:16
  1  |  import { createComponent as _$createComponent } from "solid-js/web";
  2  |  import App from "#start/app";
     |                   ^
  3  |  import { ErrorBoundary } from "../shared/ErrorBoundary";
  4  |  import "./mount";

[atilafassina]

🏆 Can't believe I missed that on the previous PR!
thanks a lot @FelipeEmos !!

[FelipeEmos]

You're welcome, bro!
Thanks for the project template 🙌🏻

[atilafassina]

@all-contributors please add @FelipeEmos for code.

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[allcontributors]

@atilafassina

I've put up a pull request to add @FelipeEmos! 🎉