add expo banner over the logo

src/view/com/home/HomeHeaderLayoutMobile.tsx

@@ -20,6 +20,7 @@ import {ButtonIcon} from '#/components/Button'
 import {Hashtag_Stroke2_Corner0_Rounded as FeedsIcon} from '#/components/icons/Hashtag'
 import * as Layout from '#/components/Layout'
 import {Link} from '#/components/Link'
+import {Text} from '#/components/Typography'
 import {useAnalytics} from '#/analytics'
 import {IS_DEV, IS_LIQUID_GLASS} from '#/env'
 
@@ -75,6 +76,24 @@ export function HomeHeaderLayoutMobile({
             }}>
             <Logo width={logoVariant === 'japan' ? 34 : 30} />
           </PressableScale>
+
+          {/* TODO: Remove this before merging */}
+          <View
+            pointerEvents="none"
+            style={[a.absolute, a.inset_0, a.justify_center, a.align_center]}>
+            <View
+              style={[
+                a.px_xs,
+                a.py_2xs,
+                a.rounded_full,
+                {backgroundColor: t.palette.black},
+              ]}>
+              <Text style={[a.text_xs, a.font_bold, {color: t.palette.white}]}>
+                Expo 57
+              </Text>
+            </View>
+          </View>
+          {/* TODO: Remove this before merging */}
         </View>
 
         <Layout.Header.Slot>