Fixing Issue with text classes from TW 5

When using Variants with text-centre, text-left, or text-right, we have a Bug as it shows here  #232

Author: mo-fouad

src/components/TextInput.tsx

@@ -12,7 +12,7 @@ const mapping: StyledConfiguration<typeof RNTextInput> = {
   className: {
     target: "style",
     nativeStyleMapping: {
-      textAlign: true,
+      textAlign: "textAlign",
     },
   },
 };