Save the file somewhere helpful, `chmod +x ./next-setup.sh`, then run `./next-setup.sh project-name`, then `cd project-name` then `yarn run dev` and you're good to go.

next-setup-crswll.sh

# Set up the next app.
yarn create next-app $1 --typescript

# cd into it.
cd $1

# add tailwind and its deps
yarn add -D tailwindcss postcss autoprefixer postcss-import

# remove the default css file, we're going to replace it later
rm styles/globals.css
mkdir src
mv pages src/pages
mv styles src/styles

# write postcss.config.js
echo "module.exports = {
  plugins: {
    \"postcss-import\": {},
    tailwindcss: {},
    autoprefixer: {},
  },
}
" >> ./postcss.config.js

# write tailwind.config.js
echo "/** @type {import('tailwindcss').Config} */
module.exports = {
  content: [
    \"./src/**/*.{tsx,ts}\"
  ],
  theme: {
    extend: {},
  },
  plugins: [],
}
" >> ./tailwind.config.js

# write src/styles/globals.css
echo "@import \"tailwindcss/base\";
@import \"tailwindcss/components\";
@import \"tailwindcss/utilities\";
" >> ./src/styles/globals.css

next-setup-sam.sh

yarn create next-app $1
cd $1
yarn add -D tailwindcss postcss autoprefixer

# postcss.config.js
echo "module.exports = {
  plugins: {
    tailwindcss: {},
    autoprefixer: {},
  },
}
" >> ./postcss.config.js

# Write tailwind.config.js
echo "/** @type {import('tailwindcss').Config} */
module.exports = {
  content: [
    \"./pages/**/*.{jsx,js}\"
  ],
  theme: {
    extend: {},
  },
  plugins: [],
}
" >> ./tailwind.config.js