update: handle events.

src/lib/components/MainNav.svelte

@@ -41,12 +41,7 @@
                         href={link.href}
                         data-initialized={initialized ? '' : undefined}
                         data-badge={link.showBadge ? '' : undefined}
-                        on:click={() => {
-                            trackEvent({
-                                plausible: { name: `${link.label} in header` },
-                                posthog: { name: `${link.label.toLowerCase()}_nav_click` }
-                            });
-                        }}
+                        onclick={() => trackEvent(`main-nav-${link.label.toLowerCase()}-nav-click`)}
                         >{link.label}
                     </a>
                 {/if}