add note to README about avoiding plugin execution on build

[nathanhannig]

The @vitejs/plugin-basic-ssl plugin is only needed for local development. However, if added normally to vite.config.js.

Please add a quick note to the README showing users how to stop this by using Vite's apply: 'serve' property.

import { defineConfig } from 'vite';
import basicSsl from '@vitejs/plugin-basic-ssl';

export default defineConfig({
  plugins: [
    {
      ...basicSsl(),
      apply: 'serve' // Prevents running during production builds
    }
  ]
});

[elisherer]

I use it differently (which makes it not run in production, only by a dedicated script):

package.json

{
  "scripts": {
    "start": "vite --open",
    "start:ssl": "vite --open https://localhost:3000"
  }
}

vite.config.ts

const isSSL = (process.env.npm_lifecycle_script?.indexOf("--open https://") ?? -1) > -1;

/** @type {import('vite').UserConfig} */
export default {
  plugins: [
    isSSL ? basicSsl() : null,