Added Backend

backend/db/schema/accounts.ts

@@ -0,0 +1,24 @@
+import {
+    pgTable,
+    bigint,
+    timestamp,
+    text,
+} from "drizzle-orm/pg-core"
+
+export const accounts = pgTable("accounts", {
+    id: bigint("id", { mode: "number" })
+        .primaryKey()
+        .generatedByDefaultAsIdentity(),
+
+    createdAt: timestamp("created_at", { withTimezone: true })
+        .notNull()
+        .defaultNow(),
+
+    number: text("number").notNull(),
+    label: text("label").notNull(),
+
+    description: text("description"),
+})
+
+export type Account = typeof accounts.$inferSelect
+export type NewAccount = typeof accounts.$inferInsert