feat(theme): allow selectively disabling external link icon on navbar items (#3607)

Co-authored-by: Divyansh Singh <40380293+brc-dd@users.noreply.github.com>

docs/pt/reference/default-theme-config.md

@@ -93,6 +93,7 @@ interface NavItemWithLink {
   activeMatch?: string
   target?: string
   rel?: string
+  noIcon?: boolean
 }
 
 interface NavItemChildren {

docs/reference/default-theme-config.md

@@ -93,6 +93,7 @@ interface NavItemWithLink {
   activeMatch?: string
   target?: string
   rel?: string
+  noIcon?: boolean
 }
 
 interface NavItemChildren {

docs/zh/reference/default-theme-config.md

@@ -93,6 +93,7 @@ interface NavItemWithLink {
   activeMatch?: string
   target?: string
   rel?: string
+  noIcon?: boolean
 }
 
 interface NavItemChildren {

src/client/theme-default/components/VPNavBarMenuLink.vue

@@ -22,6 +22,7 @@ const { page } = useData()
       )
     }"
     :href="item.link"
+    :noIcon="item.noIcon"
     :target="item.target"
     :rel="item.rel"
     tabindex="0"

types/default-theme.d.ts

@@ -176,6 +176,7 @@ export namespace DefaultTheme {
     activeMatch?: string
     rel?: string
     target?: string
+    noIcon?: boolean
   }
 
   export interface NavItemChildren {