fix(radio-button-group): add name and required props (#1037)

Fixes #1036

types/RadioButton/RadioButton.svelte.d.ts

@@ -54,7 +54,7 @@ export interface RadioButtonProps extends RestProps {
 
   /**
    * Specify a name attribute for the radio button input
-   * @default ""
+   * @default undefined
    */
   name?: string;
 

types/RadioButtonGroup/RadioButtonGroup.svelte.d.ts

@@ -16,6 +16,18 @@ export interface RadioButtonGroupProps extends RestProps {
    */
   disabled?: boolean;
 
+  /**
+   * Set to `true` to require the selection of a radio button
+   * @default undefined
+   */
+  required?: boolean;
+
+  /**
+   * Specify a name attribute for the radio button inputs
+   * @default undefined
+   */
+  name?: string;
+
   /**
    * Specify the legend text
    * @default ""

types/UIShell/Header.svelte.d.ts

@@ -30,6 +30,7 @@ export interface HeaderProps extends RestProps {
 
   /**
    * Specify the company name.
+   *
    * Alternatively, use the named slot "company" (e.g., `<span slot="company">...</span>`)
    * @default undefined
    */