chore(release): publish v0.5.0

- bump package version to 0.5.0
- mark v0.5.0 as latest and move v0.4.1 to previous in changelog

package.json

@@ -1,7 +1,7 @@
 {
   "name": "zblade-dev",
   "type": "module",
-  "version": "0.4.1",
+  "version": "0.5.0",
   "scripts": {
     "dev": "astro dev",
     "start": "astro dev",

src/pages/changelog.astro

@@ -24,13 +24,13 @@ import BaseLayout from '../layouts/BaseLayout.astro';
     <!-- v0.5.0 Section -->
     <section id="v0-5-0" class="changelog-section">
       <div class="container">
-        <div class="version-card version-development">
+        <div class="version-card version-latest">
           <div class="version-header">
             <div class="version-info">
                <h2 class="version-number">v0.5.0</h2>
-              <span class="version-date">TBD</span>
+              <span class="version-date">March 25, 2026</span>
             </div>
-            <span class="version-badge badge-development">Development</span>
+            <span class="version-badge badge-latest">Latest</span>
           </div>
           
            <div class="version-content">
@@ -82,13 +82,13 @@ import BaseLayout from '../layouts/BaseLayout.astro';
     <!-- v0.4.1 Section -->
     <section id="v0-4-1" class="changelog-section">
       <div class="container">
-        <div class="version-card version-latest">
+        <div class="version-card version-previous">
           <div class="version-header">
             <div class="version-info">
                <h2 class="version-number">v0.4.1</h2>
               <span class="version-date">March 18, 2026</span>
             </div>
-            <span class="version-badge badge-latest">Latest</span>
+            <span class="version-badge badge-previous">Previous</span>
           </div>
           
            <div class="version-content">