docs(treeview): update examples

docs/src/pages/framed/TreeView/TreeViewSlot.svelte

@@ -3,16 +3,16 @@
 
   let activeId = 0;
   let selectedIds = [0, 7, 9];
-  let children = [
+  let nodes = [
     { id: 0, text: "AI / Machine learning" },
     {
       id: 1,
       text: "Analytics",
-      children: [
+      nodes: [
         {
           id: 2,
           text: "IBM Analytics Engine",
-          children: [
+          nodes: [
             { id: 3, text: "Apache Spark" },
             { id: 4, text: "Hadoop" },
           ],
@@ -24,12 +24,12 @@
     {
       id: 7,
       text: "Blockchain",
-      children: [{ id: 8, text: "IBM Blockchain Platform" }],
+      nodes: [{ id: 8, text: "IBM Blockchain Platform" }],
     },
     {
       id: 9,
       text: "Databases",
-      children: [
+      nodes: [
         { id: 10, text: "IBM Cloud Databases for Elasticsearch" },
         { id: 11, text: "IBM Cloud Databases for Enterprise DB" },
         { id: 12, text: "IBM Cloud Databases for MongoDB" },
@@ -40,7 +40,7 @@
       id: 14,
       text: "Integration",
       disabled: true,
-      children: [{ id: 15, text: "IBM API Connect", disabled: true }],
+      nodes: [{ id: 15, text: "IBM API Connect", disabled: true }],
     },
   ];
 </script>
@@ -49,7 +49,7 @@
   labelText="Cloud Products"
   activeId="{activeId}"
   selectedIds="{selectedIds}"
-  children="{children}"
+  nodes="{nodes}"
   let:node
 >
   <span