docs: add Configuration & Thank You sections to readme (#440)

* add configuration section to readme with quick descriptions and links to docs

* new Thank You section in readme

* one more thank you

* docs: convert options list to table in readme

---------

Co-authored-by: Vedant K <gamemaker0042@gmail.com>

readme.md

@@ -9,16 +9,6 @@
 
 </div>
 
----
-
-Sponsored by [Zuplo](https://zuplo.link/express-rate-limit) a fully-managed API
-Gateway for developers. Add
-[dynamic rate-limiting](https://zuplo.link/dynamic-rate-limiting),
-authentication and more to any API in minutes. Learn more at
-[zuplo.com](https://zuplo.link/express-rate-limit)
-
----
-
 Basic rate-limiting middleware for [Express](http://expressjs.com/). Use to
 limit repeated requests to public APIs and/or endpoints such as password reset.
 Plays nice with
@@ -50,6 +40,37 @@ app.use(limiter)
 The rate limiter comes with a built-in memory store, and supports a variety of
 [external data stores](https://express-rate-limit.mintlify.app/reference/stores).
 
+### Configuration
+
+All function options may be async. Click the name for additional info and
+default values.
+
+| Option                                                                                                             | Type                             | Remarks                                                                                         |
+| ------------------------------------------------------------------------------------------------------------------ | -------------------------------- | ----------------------------------------------------------------------------------------------- |
+| [`windowMs`](https://express-rate-limit.mintlify.app/reference/configuration#windowms)                             | `number`                         | How long to remember requests for, in milliseconds.                                             |
+| [`limit`](https://express-rate-limit.mintlify.app/reference/configuration#limit)                                   | `number` \| `function`           | How many requests to allow.                                                                     |
+| [`message`](https://express-rate-limit.mintlify.app/reference/configuration#message)                               | `string` \| `json` \| `function` | Response to return after limit is reached.                                                      |
+| [`statusCode`](https://express-rate-limit.mintlify.app/reference/configuration#statuscode)                         | `number`                         | HTTP status code after limit is reached (default is 429).                                       |
+| [`legacyHeaders`](https://express-rate-limit.mintlify.app/reference/configuration#legacyheaders)                   | `boolean`                        | Enable the `X-Rate-Limit` header.                                                               |
+| [`standardHeaders`](https://express-rate-limit.mintlify.app/reference/configuration#standardheaders)               | `'draft-6'` \| `'draft-7'`       | Enable the `Ratelimit` header.                                                                  |
+| [`requestPropertyName`](https://express-rate-limit.mintlify.app/reference/configuration#requestpropertyname)       | `string`                         | Add rate limit info to the `req` object.                                                        |
+| [`skipFailedRequests`](https://express-rate-limit.mintlify.app/reference/configuration#skipfailedrequests)         | `boolean`                        | Uncount 4xx/5xx responses.                                                                      |
+| [`skipSuccessfulRequests`](https://express-rate-limit.mintlify.app/reference/configuration#skipsuccessfulrequests) | `boolean`                        | Uncount 1xx/2xx/3xx responses.                                                                  |
+| [`keyGenerator`](https://express-rate-limit.mintlify.app/reference/configuration#keygenerator)                     | `function`                       | Identify users (defaults to IP address).                                                        |
+| [`handler`](https://express-rate-limit.mintlify.app/reference/configuration#handler)                               | `function`                       | Function to run after limit is reached (overrides `message` and `statusCode` settings, if set). |
+| [`skip`](https://express-rate-limit.mintlify.app/reference/configuration#skip)                                     | `function`                       | Return `true` to bypass the limiter for the given request.                                      |
+| [`requestWasSuccessful`](https://express-rate-limit.mintlify.app/reference/configuration#requestwassuccessful)     | `function`                       | Used by `skipFailedRequests` and `skipSuccessfulRequests`.                                      |
+| [`validate`](https://express-rate-limit.mintlify.app/reference/configuration#validate)                             | `boolean` \| `object`            | Enable or disable built-in validation checks.                                                   |
+| [`store`](https://express-rate-limit.mintlify.app/reference/configuration#store)                                   | `Store`                          | Use a custom store to share hit counts across multiple nodes.                                   |
+
+## Thank You
+
+Sponsored by [Zuplo](https://zuplo.link/express-rate-limit) a fully-managed API
+Gateway for developers. Add
+[dynamic rate-limiting](https://zuplo.link/dynamic-rate-limiting),
+authentication and more to any API in minutes. Learn more at
+[zuplo.com](https://zuplo.link/express-rate-limit)
+
 ---
 
 Thanks to Mintlify for hosting the documentation at
@@ -63,6 +84,8 @@ Thanks to Mintlify for hosting the documentation at
 
 ---
 
+Finally, thank you to everyone who's contributed to this project in any way! 🫶
+
 ## Issues and Contributing
 
 If you encounter a bug or want to see something added/changed, please go ahead