Fix project alert group and alert rule datasource and resoruce documentation

Author: rawmind0

website/rancher2.erb

@@ -76,6 +76,12 @@
             <li<%= sidebar_current("docs-rancher2-datasource-project") %>>
               <a href="/docs/providers/rancher2/d/project.html">rancher2_project</a>
             </li>
+            <li<%= sidebar_current("docs-rancher2-datasource-project_alert_group") %>>
+              <a href="/docs/providers/rancher2/d/projectAlertGroup.html">rancher2_project_alert_group</a>
+            </li>
+            <li<%= sidebar_current("docs-rancher2-datasource-project_alert_rule") %>>
+              <a href="/docs/providers/rancher2/d/projectAlertRule.html">rancher2_project_alert_rule</a>
+            </li>
             <li<%= sidebar_current("docs-rancher2-datasource-project_logging") %>>
               <a href="/docs/providers/rancher2/d/projectLogging.html">rancher2_project_logging</a>
             </li>
@@ -196,6 +202,12 @@
             <li<%= sidebar_current("docs-rancher2-resource-project") %>>
               <a href="/docs/providers/rancher2/r/project.html">rancher2_project</a>
             </li>
+            <li<%= sidebar_current("docs-rancher2-resource-project_alert_group") %>>
+              <a href="/docs/providers/rancher2/r/projectAlertGroup.html">rancher2_project_alert_group</a>
+            </li>
+            <li<%= sidebar_current("docs-rancher2-resource-project_alert_rule") %>>
+              <a href="/docs/providers/rancher2/r/projectAlertRule.html">rancher2_project_alert_rule</a>
+            </li>
             <li<%= sidebar_current("docs-rancher2-resource-project_logging") %>>
               <a href="/docs/providers/rancher2/r/projectLogging.html">rancher2_project_logging</a>
             </li>