Get initial focus to input for link and gruop

EditorGroup.js

@@ -14,6 +14,7 @@ class EditorGroup extends EditorEntryBase {
 
   afterDomAdd() {
     this.nodes_.selectNext();
+    this.nodes_.getSelected().xArchObj.startEdit();
   }
 
   serialize() {

EditorLink.js

@@ -16,6 +16,7 @@ class EditorLink extends EditorEntryBase {
 
   afterDomAdd() {
     this.nodes_.selectNext();
+    this.nodes_.getSelected().xArchObj.startEdit();
   }
 
   serialize() {

architype.css

@@ -12,6 +12,7 @@
   --group-background: rgba(0,0,0,0.5);
   --node-background: #000000;
   --input: rgba(255,255,255,0.2);
+  --input-focus: rgba(255,0,0,0.2);
 }
 
 :root {
@@ -110,7 +111,7 @@ body {
 }
 
 .editor li input:focus {
-  border: var(--focus);
+  background-color: var(--input-focus);
   outline: none;
 }