docs: Move to reference and topic guides

Author: tony

docs/index.md

@@ -17,12 +17,8 @@ hide-toc: true
 
 quickstart
 about
-properties
-traversal
-servers
-sessions
-windows
-panes
+topics/index
+reference/index
 api
 
 ```

docs/reference/index.md

@@ -0,0 +1,10 @@
+# Reference
+
+```{toctree}
+
+properties
+servers
+sessions
+windows
+panes
+```

docs/panes.md renamed to docs/reference/panes.md

@@ -0,0 +1,6 @@
+# Topic Guides
+
+```{toctree}
+
+traversal
+```