fix: readme badges

Author: almostSouji

README.md

@@ -1,12 +1,13 @@
 <div align="center">
-  <br />
-  <p>
-    <a href="https://discord.js.org"><img src="https://discord.js.org/static/logo.svg" width="546" alt="discord.js" /></a>
-  </p>
-  <br />
-  <p>
-    <a href="https://discord.gg/djs"><img src="https://img.shields.io/discord/222078108977594368?color=5865F2&logo=discord&logoColor=white" alt="Discord server" /></a>
-  </p>
+	<br />
+	<p>
+		<a href="https://discord.js.org"><img src="https://discord.js.org/static/logo.svg" width="546" alt="discord.js" /></a>
+	</p>
+	<br />
+	<p>
+		<a href="https://discord.gg/djs"><img src="https://img.shields.io/badge/join_us-on_discord-5865F2?logo=discord&logoColor=white" alt="Discord server" /></a>
+		<a href="https://opencollective.com/discordjs"><img src="https://img.shields.io/opencollective/backers/discordjs?maxAge=3600&logo=opencollective" alt="backers" /></a>
+	</p>
 </div>
 
 ## Auto response format