fix link activity

cloud.html

@@ -22,7 +22,7 @@
         <div class="px-16">
           <a class="c-1 ml-16" href="/"><i class="bi-house-door mr-6"></i>Home</a>
           <span class="c-0 ml-16"><i class="bi-cloud mr-6"></i>Cloud</span>
-          <span class="c-0 ml-16"><i class="bi-download mr-6"></i>Install</span>
+          <a class="c-1 ml-16" href="/install.html"><i class="bi-download mr-6"></i>Install</a>
           <a class="c-1 ml-16" href="/network.html"><i class="bi-activity mr-6"></i>Network</a>
           <a class="c-1 ml-16" href="https://github.com/twisterarmy"><i class="bi-github mr-6"></i>GitHub</a>
           <!-- todo