docs: replace Twitter logo with Bluesky & Mastodon

docs/_layouts/default.html

@@ -96,14 +96,28 @@ <h4>{{ page.sub_title}}</h4>
 
           <div class="col-xs-4 col-md-offset-0 col-md-2">
             <a
-              href="https://twitter.com/pouchdb"
+              href="https://bsky.app/profile/pouchdb.bsky.social"
               target="_blank"
               rel="noopener noreferrer"
             >
               <img
                 class="icon"
-                src="{{ site.baseurl}}/static/img/friends/twitter.svg"
-                alt="PouchDB's Twitter"
+                src="{{ site.baseurl}}/static/img/friends/bluesky.svg"
+                alt="PouchDB's Bluesky"
+              />
+            </a>
+          </div>
+
+          <div class="col-xs-4 col-md-offset-0 col-md-2">
+            <a
+              href="https://fosstodon.org/@pouchdb"
+              target="_blank"
+              rel="noopener noreferrer"
+            >
+              <img
+                class="icon"
+                src="{{ site.baseurl}}/static/img/friends/mastodon.svg"
+                alt="PouchDB's Mastodon"
               />
             </a>
           </div>
@@ -174,6 +188,8 @@ <h3 class="nav-head">Learn</h3>
           <div class="col-sm-3">
             <h3 class="nav-head">Discuss</h3>
             <ul class="nav nav-silent">
+              <li><a href="https://bsky.app/profile/pouchdb.bsky.social">Bluesky</a></li>
+              <li><a href="https://fosstodon.org/@pouchdb">Mastodon</a></li>
               <li><a href="https://github.com/apache/pouchdb/discussions">GitHub Discussions</a></li>
               <li><a href="https://join.slack.com/t/couchdb/shared_invite/zt-3aqucllea-C92fkzW5oO_VhllRCqFbcw">Slack</a></li>
               <li><a href="http://stackoverflow.com/questions/tagged/pouchdb">StackOverflow</a></li>

docs/manifest.appcache

@@ -46,7 +46,7 @@ https://fonts.gstatic.com/s/opensans/v10/k3k702ZOKiLJc3WVjuplzBampu5_7CjHW5spxoe
 /static/img/friends/couchdb.svg
 /static/img/friends/github.svg
 /static/img/friends/leveldb.svg
-/static/img/friends/twitter.svg
+/static/img/friends/bluesky.svg
 
 /static/img/browser-logos/android_32x32.png
 /static/img/browser-logos/chrome-android_32x32.png