fix: Update event prefix from "docs_" to "blogs_" in analytics tracking

Author: sumansaurabh

.vitepress/theme/analytics.ts

@@ -23,7 +23,7 @@ export function inHouseAnalytics(event: string, eventRef: Dict) {
 
   // Skip tracking on localhost unless in debug mode
   const isLocalhost = window.location.hostname === "localhost";
-  event = "docs_"+event
+  event = "blogs_"+event
   const cId = localStorage.getItem("cId");
   let email = localStorage.getItem("email");