Update frontmatter and fix heading1 syntax

blog/2024/clio-2.3.0.md

@@ -12,7 +12,7 @@ markdown:
         hide: true
 ---
 
-## Introducing Clio version 2.3.0
+# Introducing Clio version 2.3.0
 
 Version 2.3.0 of Clio, an XRP Ledger API server optimized for HTTP and WebSocket API calls, is now available. This release adds new features and bug fixes.
 

blog/2025/clio-2.3.1.md

@@ -11,8 +11,7 @@ markdown:
     editPage:
         hide: true
 ---
-
-## Introducing Clio version 2.3.1
+# Introducing Clio version 2.3.1
 
 Version 2.3.1 of Clio, an XRP Ledger API server optimized for HTTP and WebSocket API calls, is now available. This release adds bug fixes.
 

blog/2025/clio-2.4.0.md

@@ -11,8 +11,7 @@ markdown:
     editPage:
         hide: true
 ---
-
-## Introducing Clio version 2.4.0
+# Introducing Clio version 2.4.0
 
 Version 2.4.0 of Clio, an XRP Ledger API server optimized for HTTP and WebSocket API calls, is now available. This release adds bug fixes.
 

blog/2025/defi-use-cases-exploring-the-potential.md

@@ -1,6 +1,7 @@
 ---
 category: 2025
-date: 2025-04-18
+date: "2025-04-18"
+template: '../../@theme/templates/blogpost'
 seo:
     description: What is DeFi used for, and how is it reshaping industries? Explore the key DeFi use cases that are driving the future of finance.
 labels:

blog/2025/vulnerabilitydisclosurereport-bug-apr2025.md

@@ -1,6 +1,7 @@
 ---
 category: 2025
-date: 2025-04-28
+date: "2025-04-28"
+template: '../../@theme/templates/blogpost'
 seo:
     title: Malicious Supply Chain Compromise in xrpl.js npm Package
     description: This disclosure report contains technical details of vulnerability of the XRP Ledger Javascript library package hosted at npmjs.com.