feat: items-editor (#5)

* format readme

* update logo

* format html

* add logo to docs

* repository for document and document tokens

* add attachments type and repository

* autogenerate types via scripts

* use autogenerated types

* attachment type updates

* add insured and quantity fields for items

* implement HasID interface for entities

* implement label updates for items

* implement service update method

* WIP item update client side actions

* check err on attachment

* finish types for basic items editor

* remove unused var

* house keeping

frontend/composables/utils.ts

@@ -0,0 +1,35 @@
+export function validDate(dt: Date | string | null | undefined): boolean {
+  if (!dt) {
+    return false;
+  }
+
+  // If it's a string, try to parse it
+  if (typeof dt === "string") {
+    const parsed = new Date(dt);
+    if (isNaN(parsed.getTime())) {
+      return false;
+    }
+  }
+
+  // If it's a date, check if it's valid
+  if (dt instanceof Date) {
+    if (dt.getFullYear() < 1000) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+export function fmtCurrency(value: number | string, currency = "USD", locale = "en-Us"): string {
+  if (typeof value === "string") {
+    value = parseFloat(value);
+  }
+
+  const formatter = new Intl.NumberFormat(locale, {
+    style: "currency",
+    currency,
+    minimumFractionDigits: 2,
+  });
+  return formatter.format(value);
+}