diff --git a/site/calepin.toml b/site/calepin.toml
index 61e5329..189de85 100644
--- a/site/calepin.toml
+++ b/site/calepin.toml
@@ -15,3 +15,11 @@ title = "Start"
   [[sidebar.section.item]]
   target = "index.typ"
 
+[[sidebar.section]]
+title = "Categories"
+  [[sidebar.section.item]]
+  target = "thermo/index.typ"
+  [[sidebar.section.item]]
+  target = "security/index.typ"
+  [[sidebar.section.item]]
+  target = "homelab/index.typ"
diff --git a/site/homelab/index.typ b/site/homelab/index.typ
new file mode 100644
index 0000000..c166549
--- /dev/null
+++ b/site/homelab/index.typ
@@ -0,0 +1,4 @@
+#import "@preview/calepin:0.1.7": *
+#show: page-layout.with(title: "Homelab")
+
+= Homelab
diff --git a/site/security/index.typ b/site/security/index.typ
new file mode 100644
index 0000000..e1f0b39
--- /dev/null
+++ b/site/security/index.typ
@@ -0,0 +1,4 @@
+#import "@preview/calepin:0.1.7": *
+#show: page-layout.with(title: "Security")
+
+= Security
diff --git a/site/thermo/index.typ b/site/thermo/index.typ
new file mode 100644
index 0000000..7796d82
--- /dev/null
+++ b/site/thermo/index.typ
@@ -0,0 +1,4 @@
+#import "@preview/calepin:0.1.7": *
+#show: page-layout.with(title: "Thermodynamics")
+
+= Thermodynamics