Update README (#151)

* Update README

* Update README

* Update README

README.md

@@ -1,29 +1,33 @@
 <p align="center">
-    <img 
-        src="https://user-images.githubusercontent.com/1342803/75635005-ad81fa80-5be0-11ea-9b03-d666d4c0eea1.png" 
-        height="64" 
-        alt="JWTKit"
-    >
+    <picture>
+        <source media="(prefers-color-scheme: dark)" srcset="https://github.com/vapor/jwt/assets/1130717/8c1b20b9-af69-43e3-899f-fb575fad9fb7">
+        <source media="(prefers-color-scheme: light)" srcset="https://github.com/vapor/jwt/assets/1130717/c8f4c9f2-fbc6-46e5-89e7-f10ac17bb1a4">
+        <img src="https://github.com/vapor/jwt/assets/1130717/bdc5befe-01c4-4e50-a203-c6ef71e16394" height="96" alt="JWTKit">
+    </picture> 
     <br>
     <br>
-    <a href="https://docs.vapor.codes/4.0/jwt/">
-        <img src="http://img.shields.io/badge/api-docs-2196f3.svg" alt="Documentation">
+    <a href="https://docs.vapor.codes/4.0/">
+        <img src="https://design.vapor.codes/images/readthedocs.svg" alt="Documentation">
     </a>
     <a href="https://discord.gg/vapor">
-        <img src="https://img.shields.io/discord/431917998102675485.svg" alt="Team Chat">
+        <img src="https://design.vapor.codes/images/discordchat.svg" alt="Team Chat">
     </a>
     <a href="LICENSE">
-        <img src="http://img.shields.io/badge/license-MIT-brightgreen.svg" alt="MIT License">
+        <img src="https://design.vapor.codes/images/mitlicense.svg" alt="MIT License">
     </a>
-    <a href="https://github.com/vapor/jwt/actions">
-        <img src="https://github.com/vapor/jwt/workflows/test/badge.svg" alt="Continuous Integration">
-    </a>
-    <a href="https://swift.org">
-        <img src="http://img.shields.io/badge/swift-5.2-brightgreen.svg" alt="Swift 5.2">
+    <a href="https://github.com/vapor/jwt/actions/workflows/test.yml">
+        <img src="https://img.shields.io/github/actions/workflow/status/vapor/jwt/test.yml?event=push&style=plastic&logo=github&label=tests&logoColor=%23ccc" alt="Continuous Integration">
     </a>
 </p>
+<br>
+
+Support for JWT (JSON Web Tokens) in Vapor.
+
+Supported versions:
 
-<hr>
+|Version|Swift|SPM|
+|---|---|---|
+|4.0|5.4+|`from: "4.0.0"`|
 
 **Original author**