fix theme selector not working, add input styling

apps/expo/src/components/ui/Input.tsx

@@ -0,0 +1,25 @@
+import { Input, styled } from "tamagui";
+
+export const MWInput = styled(Input, {
+  variants: {
+    type: {
+      default: {
+        backgroundColor: "$inputBackground",
+        color: "$inputText",
+        placeholderTextColor: "$placeHolderText",
+        borderColor: "$inputBorder",
+        outlineStyle: "none",
+      },
+      search: {
+        backgroundColor: "$searchBackground",
+        borderColor: "$colorTransparent",
+        placeholderTextColor: "$searchPlaceholder",
+        outlineStyle: "none",
+        focusStyle: {
+          borderColor: "$colorTransparent",
+          backgroundColor: "$searchFocused",
+        },
+      },
+    },
+  },
+});