index.html: add Signal, adjust formatting a bit

Gemfile.lock

@@ -1,22 +1,23 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (7.1.3.4)
+    activesupport (7.2.0)
       base64
       bigdecimal
-      concurrent-ruby (~> 1.0, >= 1.0.2)
+      concurrent-ruby (~> 1.0, >= 1.3.1)
       connection_pool (>= 2.2.5)
       drb
       i18n (>= 1.6, < 2)
+      logger (>= 1.4.2)
       minitest (>= 5.1)
-      mutex_m
-      tzinfo (~> 2.0)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
     base64 (0.2.0)
     bigdecimal (3.1.8)
     colorator (1.1.0)
-    concurrent-ruby (1.3.3)
+    concurrent-ruby (1.3.4)
     connection_pool (2.4.1)
     drb (2.2.1)
     em-websocket (0.5.3)
@@ -109,8 +110,7 @@ GEM
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
-    minitest (5.24.1)
-    mutex_m (0.2.0)
+    minitest (5.25.0)
     nokogiri (1.16.7)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
@@ -137,7 +137,7 @@ GEM
       ffi (~> 1.0)
     rbs (3.5.2)
       logger
-    rexml (3.3.4)
+    rexml (3.3.5)
       strscan
     rouge (4.3.0)
     safe_yaml (1.0.5)
@@ -186,6 +186,7 @@ GEM
       google-protobuf (~> 4.26)
     sass-embedded (1.77.8-x86_64-linux-musl)
       google-protobuf (~> 4.26)
+    securerandom (0.3.1)
     strscan (3.1.0)
     syntax_tree (6.2.0)
       prettier_print (>= 1.2.0)

index.html

@@ -96,13 +96,23 @@ robots: noai, nofollow
     >
 -->
   </li>
-  <!--
-  <li id="siloim">
-    Silo IM:
+
+  <li
+    class="monospaced"
+    id="signal">
+    Signal:
+    <a
+      href="https://signal.me/#eu/_lASvmbtp3Y978VV6VTv5inom_rg-1ryDz9XXE_E56UThCuGutNLTKsf-SA0wMEE"
+      >Aminda.12</a
+    >,
+    <a
+      href="https://signal.me/#eu/yd0IRZ4YzHcSjNLvON2pQcsjUYdQT-nmxb3sGUvRqNMKK3wyQsVCW5FTZcrfX8up"
+      >Aminda.74</a
+    >
   </li>
--->
+
   <li id="some">
-    <span class="monospaced">SOME:</span>
+    <span class="monospaced">Social media:</span>
     <em
       ><a
         href="https://gitea.blesmrt.net/mikaela"
@@ -194,6 +204,7 @@ robots: noai, nofollow
       >{{site.mastodon.instance}}</a
     >
   </li>
+
   <li
     class="monospaced"
     id="ssh">