kanshi: fix configuration example

(cherry picked from commit 5d151429e1)

modules/services/kanshi.nix

@@ -209,6 +209,7 @@ in {
         Attribute set of profiles.
       '';
       example = literalExpression ''
+        {
           undocked = {
             outputs = [
               {
@@ -227,6 +228,7 @@ in {
               }
             ];
           };
+        }
       '';
     };
 
@@ -247,6 +249,7 @@ in {
         See kanshi(5) for informations.
       '';
       example = literalExpression ''
+        [
           { include = "path/to/included/files"; }
           { output.criteria = "eDP-1";
             output.scale = 2;
@@ -269,6 +272,7 @@ in {
               }
             ];
           }
+        ]
       '';
     };