Website: † instead of ** for footnote

† looks prettier.

Author: strager

website/public/install/index.ejs.html

@@ -260,7 +260,7 @@ <h2>Install quick-lint-js</h2>
                       aria-label="not installed globally"
                       title="not installed globally"
                       class="footnote-marker"
-                      >&nbsp;**</span
+                      >&nbsp;†</span
                     ></span
                   ></a
                 >
@@ -561,7 +561,7 @@ <h2>Install quick-lint-js</h2>
             such as documentation or shell completion plugins.
           </p>
           <p>
-            <span>**</span> The LSP server is not installed globally with this
+            <span>†</span> The LSP server is not installed globally with this
             installation method, so some editors might not be able to access it.
           </p>
         </figcaption>