Link to community guidelines from left navbar

closes #7298

Changelog.md

@@ -8,6 +8,7 @@
 
 ## Features
 * Add support for [Liberapay](https://liberapay.com) donations [#7290](https://github.com/diaspora/diaspora/pull/7290)
+* Added a link to the community guidelines :) [#7298](https://github.com/diaspora/diaspora/pull/7298)
 
 # 0.6.3.0
 

app/assets/stylesheets/navbar_left.scss

@@ -117,6 +117,11 @@
     .content {
       font-size: $font-size-base;
     }
+
+    a,
+    a:hover {
+      color: $link-grey;
+    }
   }
 
   .section {

app/views/streams/main_stream.html.haml

@@ -152,7 +152,7 @@
         .excellence-box
           .content
             %p
-              = t("layouts.application.be_excellent")
+              = link_to t("layouts.application.be_excellent"), "https://diasporafoundation.org/community_guidelines"
 
         .info-links
           .content