Convert most code to ts

web/src/pages/Settings.vue

@@ -1,7 +1,8 @@
-<script>
+<script lang="ts">
+import { defineComponent } from "vue"
 import { TITLE } from "../store/mutation-types"
 
-export default {
+export default defineComponent({
     data() {
         return {
             transactionsFile: null,
@@ -51,7 +52,7 @@ export default {
             this.$store.dispatch("YNAB", formData);
         }
     }
-}
+})
 </script>
 
 <template>