fix: correct off-by-one error in platform badge conditional rendering

Author: HarshMN2345

src/lib/components/archiveProject.svelte

@@ -257,7 +257,7 @@
                                         </Badge>
                                     {/each}
 
-                                    {#if platforms.length > 3}
+                                    {#if platforms.length > 2}
                                         <Badge
                                             variant="secondary"
                                             content={`+${platforms.length - 2}`}