Add larger button margin to save on EditWorkout

EditWorkout.tsx

@@ -186,7 +186,12 @@ export default function EditWorkout() {
             </Button>
           )}
         </ScrollView>
-        <Button disabled={!name} mode="contained" icon="save" onPress={save}>
+        <Button
+          style={{margin: MARGIN * 2}}
+          disabled={!name}
+          mode="contained"
+          icon="save"
+          onPress={save}>
           Save
         </Button>
         <ConfirmDialog