head: add linkedin & keyoxide, index: use the fine variables

_includes/head.html

@@ -30,7 +30,8 @@
  <!-- https://indieweb.org/How_to_set_up_web_sign-in_on_your_own_domain#How_to_setup_RelMeAuth - regardless of antipattern, the things I do for verified checkboxes at Mastodon... -->
  <link rel="me" type="application/activity+json" href="https://sauna.social/users/aminda">
  <link rel="me" type="application/activity+json" href="https://mastodon.pirateparty.be/users/MikaelaPPFI">
-
+ <link rel="me" href="https://keyoxide.org/aspe:keyoxide.org:LGWNUB7QG4M326FXXBH5Z6PLVY">
+ <link rel="me" href="https://linkedin.com/in/{{site.linkedin_username}}">
  <!-- https://github.com/macdonst/detect-missing-adblocker -->
  <script rel="prefetch" type="module" src="https://unpkg.com/detect-missing-adblocker@latest/dist/detect-missing-adblocker.js?module=true"></script>
  <link rel="stylesheet prefetch" href="https://unpkg.com/detect-missing-adblocker@latest/nativeads.js.css">

index.html

@@ -103,7 +103,11 @@ robots: noai
     <a href="https://bsky.app/profile/did:plc:k4n3logit2gplz7mbgkrsdl2" rel="me"
       >bsky</a
     >
-    <em><a href="https://github.com/Mikaela" rel="me">GitHub.com</a></em>
+    <em
+      ><a href="https://github.com/{{ site.github_username }}" rel="me"
+        >GitHub.com</a
+      ></em
+    >
     <a href="https://gitlab.com/Mikaela" rel="me">GitLab.com</a>
     <a href="https://git.com.de/mikaela" rel="me">git.com.de</a> (<a
       href="http://gitea.qzzf2qcfbhievvs5nzkccuwddroipy62qjocqtmgcgh75vd6w57m7yad.onion/Mikaela"
@@ -116,7 +120,9 @@ robots: noai
       >Keyoxide</a
     >
     <a rel="me" href="https://liberapay.com/Mikaela">LiberaPay.com</a>
-    <a rel="me" href="https://www.linkedin.com/in/aminda-eu/">LinkedIn.com</a>
+    <a rel="me" href="https://www.linkedin.com/in/{{ site.linkedin_username }}/"
+      >LinkedIn.com</a
+    >
     <a href="https://git.piraattipuolue.fi/mikaela.suomalainen" rel="me"
       >git.piraattipuolue.fi</a
     >