update README

Author: motdotla

README.md

@@ -6,6 +6,11 @@
 >
 > [2 minute tutorial 📺](https://www.youtube.com/watch?v=YtkZR0NFd1g)
 
+* [usage](#usage)
+* [environments](#multiple-environments)
+* [deploying](#deploying)
+* [agents 🆕](#agents-as2)
+
  
 
 ### Usage
@@ -28,51 +33,66 @@ And as early as possible in your application, import and configure dotenv:
 
 ```javascript
 require('dotenv').config() // or import 'dotenv/config' if you're using ES6
+...
 console.log(process.env) // remove this after you've confirmed it is working
 ```
 
 That's it. `process.env` now has the keys and values you defined in your `.env` file:
 
-<details><summary>learn more</summary><br>
 
-Install with any npm-compatible package manager.
+&nbsp;
 
-```sh
-yarn add dotenv
-bun add dotenv
-pnpm add dotenv
-```
+## Advanced
 
-For monorepos with a structure like `apps/backend/app.js`, put it the `.env` file in the root of the folder where your `app.js` process runs.
+<details><summary>ES6</summary><br>
 
-```ini
-# app/backend/.env
-S3_BUCKET="YOURS3BUCKET"
-SECRET_KEY="YOURSECRETKEYGOESHERE"
+Import with [ES6](#how-do-i-use-dotenv-with-import):
+
+```javascript
+import 'dotenv/config'
 ```
 
-And if you are [using ES6](#how-do-i-use-dotenv-with-import) import with config options:
+ES6 import if you need to set config options:
 
 ```javascript
 import dotenv from 'dotenv'
-dotenv.config({ path: 'app/backend/.env' })
+dotenv.config({ path: '/custom/path/to/.env' })
+```
 
-...
+</details>
+<details><summary>bun</summary><br>
 
-s3.getBucketCors({Bucket: process.env.S3_BUCKET}, function(err, data) {})
+```sh
+bun add dotenv
 ```
 
 </details>
+<details><summary>yarn</summary><br>
 
-&nbsp;
+```sh
+yarn add dotenv
+```
+
+</details>
+<details><summary>pnpm</summary><br>
 
-* [Usage](#usage)
-* [Multiple Environments](#multiple-environments)
-* [Deploying](#deploying)
-* [Agents (AS2) 🆕](#agents-as2)
+```sh
+pnpm add dotenv
+```
 
-## Advanced
+</details>
 
+<details><summary>Monorepos</summary><br>
+
+For monorepos with a structure like `apps/backend/app.js`, put it the `.env` file in the root of the folder where your `app.js` process runs.
+
+```ini
+# app/backend/.env
+S3_BUCKET="YOURS3BUCKET"
+SECRET_KEY="YOURSECRETKEYGOESHERE"
+```
+
+</details>
 <details><summary>Multiline Values</summary><br>
 
 If you need multiline variables, for example private keys, those are now supported (`>= v15.0.0`) with line breaks:
@@ -105,8 +125,6 @@ SECRET_HASH="something-with-a-#-hash"
 Comments begin where a `#` exists, so if your value contains a `#` please wrap it in quotes. This is a breaking change from `>= v15.0.0` and on.
 
 </details>
-
-
 <details><summary>Parsing</summary><br>
 
 The engine which parses the contents of your file containing environment variables is available to use. It accepts a String or Buffer and will return an Object with the parsed keys and values.