Replace discord channel links with discord invite links

Author: dunnoconnor

README.md

@@ -31,7 +31,7 @@
   <a href="https://forum.modular.com/c/">
     <img src="https://img.shields.io/badge/Modular-Forum-9B59B6?logo=discourse" alt="Modular Forum">
   </a>
-  <a href="https://discord.com/channels/1087530497313357884/1098713601386233997">
+  <a href="https://discord.com/invite/modular">
     <img src="https://img.shields.io/badge/Discord-Join_Chat-5865F2?logo=discord" alt="Discord">
   </a>
 </p>
@@ -176,7 +176,7 @@ Please feel free to:
   <a href="https://forum.modular.com/c/">
     <img src="https://img.shields.io/badge/Modular-Forum-9B59B6?logo=discourse" alt="Modular Forum">
   </a>
-  <a href="https://discord.com/channels/1087530497313357884/1098713601386233997">
+  <a href="https://discord.com/invite/modular">
     <img src="https://img.shields.io/badge/Discord-Join_Chat-5865F2?logo=discord" alt="Discord">
   </a>
 </p>

book/i18n/ko/src/howto.md

@@ -487,7 +487,7 @@ Kaggle은 Colab보다 넉넉한 무료 GPU 사용 시간을 제공합니다:
   <a href="https://forum.modular.com/c/">
     <img src="https://img.shields.io/badge/Modular-Forum-9B59B6?logo=discourse" alt="Modular 포럼">
   </a>
-  <a href="https://discord.com/channels/1087530497313357884/1098713601386233997">
+  <a href="https://discord.com/invite/modular">
     <img src="https://img.shields.io/badge/Discord-Join_Chat-5865F2?logo=discord" alt="Discord">
   </a>
 </p>

book/i18n/ko/src/introduction.md

@@ -12,7 +12,7 @@
     <span class="icon icon-book"></span>
   </a>
   <div class="secondary">
-    <a href="https://discord.com/channels/1087530497313357884/1098713601386233997"
+    <a href="https://discord.com/invite/modular"
       data-tooltip="Chat on Discord"
       aria-label="Discord"
       target="_blank">

book/src/howto.md

@@ -477,7 +477,7 @@ Please see details in the [README](https://github.com/modular/mojo-gpu-puzzles#d
   <a href="https://forum.modular.com/c/">
     <img src="https://img.shields.io/badge/Modular-Forum-9B59B6?logo=discourse" alt="Modular Forum">
   </a>
-  <a href="https://discord.com/channels/1087530497313357884/1098713601386233997">
+  <a href="https://discord.com/invite/modular">
     <img src="https://img.shields.io/badge/Discord-Join_Chat-5865F2?logo=discord" alt="Discord">
   </a>
 </p>

book/src/introduction.md

@@ -10,7 +10,7 @@
     <span class="icon icon-book"></span>
   </a>
   <div class="secondary">
-    <a href="https://discord.com/channels/1087530497313357884/1098713601386233997"
+    <a href="https://discord.com/invite/modular"
       data-tooltip="Chat on Discord"
       aria-label="Discord"
       target="_blank">