Use ghosttythemes.com as canonical URL in README and meta tags

Author: mcvalosborne

README.md

@@ -2,7 +2,7 @@
 
 Live theme & font mixer for the [Ghostty](https://ghostty.org) terminal. Preview 16 color schemes and 4 coding fonts, nudge the background tint, and copy a ready-to-paste config in one click.
 
-**→ [Try it live](https://mcvalosborne.github.io/ghostty-theme-mixer/)**
+**→ [Try it live at ghosttythemes.com](https://ghosttythemes.com)**
 
 ![Ghostty Theme Mixer — live preview of terminal themes and fonts](screenshot.png)
 

index.html

@@ -18,10 +18,7 @@
 
     <!-- Open Graph / Facebook / iMessage / Slack -->
     <meta property="og:type" content="website" />
-    <meta
-      property="og:url"
-      content="https://mcvalosborne.github.io/ghostty-theme-mixer/"
-    />
+    <meta property="og:url" content="https://ghosttythemes.com/" />
     <meta property="og:title" content="Ghostty Theme Mixer" />
     <meta
       property="og:description"
@@ -36,10 +33,7 @@
 
     <!-- Twitter -->
     <meta name="twitter:card" content="summary_large_image" />
-    <meta
-      name="twitter:url"
-      content="https://mcvalosborne.github.io/ghostty-theme-mixer/"
-    />
+    <meta name="twitter:url" content="https://ghosttythemes.com/" />
     <meta name="twitter:title" content="Ghostty Theme Mixer" />
     <meta
       name="twitter:description"
@@ -50,10 +44,7 @@
       content="https://raw.githubusercontent.com/mcvalosborne/ghostty-theme-mixer/main/screenshot.png"
     />
 
-    <link
-      rel="canonical"
-      href="https://mcvalosborne.github.io/ghostty-theme-mixer/"
-    />
+    <link rel="canonical" href="https://ghosttythemes.com/" />
     <link rel="preconnect" href="https://fonts.googleapis.com" />
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
     <link