docs: better index page

docs/index.org

@@ -1,7 +1,24 @@
-#+title: P’undrak’s Constructed Languages
 #+setupfile: headers
 
-* P’undrak’s Constructed Languages
+#+begin_export html
+---
+layout: home
+
+hero:
+  name: "P’undrak’s Constructed Languages"
+  actions:
+    - theme: alt
+      text: Eittlandic
+      link: /eittlandic/
+    - theme: alt
+      text: Proto-Ñyqy
+      link: /proto-nyqy/
+    - theme: alt
+      text: Zikãti
+      link: /zikãti
+---
+#+end_export
+
 Hi, I’m P’undrak (pronounced {{{phon(pʰynɖak̚)}}}), also known as Lucien
 Cartier-Tilet. I create constructed languages and worlds, both for fun
 and for my literary universe. As you might have guessed with the name