update docs index.md

docs/src/index.md

@@ -4,11 +4,33 @@ CurrentModule = TableSkill
 
 # TableSkill
 
-Documentation for [TableSkill](https://github.com/klwlevy/TableSkill.jl).
-
-```@index
-```
+Documentation for [TableSkill.jl](https://github.com/klwlevy/TableSkill.jl).
 
 ```@autodocs
 Modules = [TableSkill]
 ```
+
+```@raw html
+<details closed><summary>Example:</summary>
+```
+
+```@example detail_example
+using TableSkill, DataFrames
+
+my_df1 = DataFrame(x = 42, y = 1:10, z = "hello")
+my_df2 = DataFrame(x = 42, y = 1:10, z = "world")
+
+tableskill(
+    dataframe_dict = Dict(
+        "1 my_df1" => my_df1,
+        "2 my_df2" => my_df2,
+    ),
+    sub_folder_in_export = "my_folder",
+)
+
+nothing #hide
+```
+
+```@raw html
+</details>
+```