docs: use Remix Discord redirect (#256)

Author: brophdawg11

app/components/docs-header/docs-header.tsx

@@ -55,7 +55,7 @@ function ExternalLinks() {
         svgSize="24x24"
       />
       <HeaderSvgLink
-        href="https://discord.gg/xwx7mMzVkA"
+        href="https://remix.run/discord"
         svgId="discord"
         svgLabel="Discord logo in a circle"
         title="Chat on Discord"

app/pages/splash.tsx

@@ -39,7 +39,7 @@ const quicklinks: QuickLink[] = [
   {
     icon: "discord-outline",
     title: "Discord",
-    to: "https://discord.gg/xwx7mMzVkA",
+    to: "https://remix.run/discord",
     attrs: {
       target: "_blank",
       rel: "noopener noreferrer",
@@ -131,7 +131,7 @@ const v7Adventures: Adventure[] = [
     title: "I'm stuck",
     description: "Join GitHub discussions for help",
     linkText: "Get Help",
-    linkTo: "https://discord.gg/xwx7mMzVkA",
+    linkTo: "https://remix.run/discord",
   },
 ];
 
@@ -159,7 +159,7 @@ const v8Adventures: Adventure[] = [
     title: "I'm stuck",
     description: "Join GitHub discussions for help",
     linkText: "Get Help",
-    linkTo: "https://discord.gg/xwx7mMzVkA",
+    linkTo: "https://remix.run/discord",
   },
 ];