fix: update Discord contact format in text

packages/dashboard/src/routes/(app)/account/Card.svelte

@@ -49,7 +49,7 @@
           <p class="mt-10 text-neutral-content">
             To change to a different plan, contact <a
               class="link"
-              href={`"${DISCORD_URL}"`}>@noaxis on Discord</a
+              href={`"${DISCORD_URL}"`}><code>.noaxis</code> on Discord</a
             >
           </p>
         {:else if prices.length > 0}

packages/dashboard/src/routes/(app)/account/FAQSection.svelte

@@ -67,7 +67,8 @@
       </p>
       <p class="mb-4">
         Long version: If you need to cancel your membership for any reason,
-        please <a class="link" href={DISCORD_URL}>contact @noaxis on Discord</a
+        please <a class="link" href={DISCORD_URL}
+          >contact <code>.noaxis</code> on Discord</a
         >. If you cancel within the first 5 days of a signup or renewal, we'll
         refund the full amount. Otherwise, we'll pro-rate it. Sound good?
       </p>

packages/dashboard/src/routes/(app)/instances/[instanceId]/Overview.svelte

@@ -40,7 +40,7 @@
       <div class="text-error">
         Notice: You are in Custom Domain mode but it is not active and will not
         work. Go find <a href={DISCORD_URL} target="_blank" class="link"
-          >@noaxis on Discord</a
+          ><code>.noaxis</code> on Discord</a
         > to get set up.
       </div>
     {/if}