Update mosp strings from tm to r

frontend/src/index.liquid.html

@@ -7,7 +7,7 @@
   <script src="/resources/config.js"></script>
   <base href="/">
 
-  <meta name="description" content="The Mempool Open Source Project™ - Explore the full Bitcoin ecosystem.">
+  <meta name="description" content="The Mempool Open Source Project® - Explore the full Bitcoin ecosystem.">
   <meta property="og:image" content="https://liquid.network/resources/liquid/liquid-network-preview.png" />
   <meta property="og:image:type" content="image/png" />
   <meta property="og:image:width" content="1000" />
@@ -15,7 +15,7 @@
   <meta property="twitter:card" content="summary_large_image">
   <meta property="twitter:site" content="@mempool">
   <meta property="twitter:creator" content="@mempool">
-  <meta property="twitter:title" content="The Mempool Open Source Project™">
+  <meta property="twitter:title" content="The Mempool Open Source Project®">
   <meta property="twitter:description" content="Explore the full Bitcoin ecosystem with mempool.space™" />
   <meta property="twitter:image:src" content="https://liquid.network/resources/liquid/liquid-network-preview.png" />
   <meta property="twitter:domain" content="liquid.network">