use official logo

docs/index.html

@@ -19,12 +19,12 @@
     <meta property="og:type" content="webpage" />
     <meta property="og:url" content="https://dyne.org/W3C-DID/" />
     <meta property="og:site_name" content="Dyne.org DID Specification" />
-    <meta property="og:image" content="https://repository-images.githubusercontent.com/505395684/6a59fc89-d2cc-43e6-b561-ec3821ccdbed" />
+    <meta property="og:image" content="https://repository-images.githubusercontent.com/505395684/50b4ead2-e483-4061-a8be-5464eab05929" />
     <!-- Twitter Card -->
     <meta name="twitter:card" content="summary_large_image">
     <meta name="twitter:title" content="Dyne.org DID Specification" />
     <meta name="twitter:description" content="Dyne.org DID based on W3C standard and implemented using Zenroom, including full service documentation, development and maintenance instructions." />
-    <meta name="twitter:image" content="https://repository-images.githubusercontent.com/505395684/6a59fc89-d2cc-43e6-b561-ec3821ccdbed" />
+    <meta name="twitter:image" content="https://repository-images.githubusercontent.com/505395684/50b4ead2-e483-4061-a8be-5464eab05929" />
     <meta name="twitter:creator" content="@DyneOrg">
 
     <script src="https://www.w3.org/Tools/respec/respec-w3c" class="remove" defer></script>