feat: add file storage service and update configurations

refactor: migrate to tsup for builds and update tsconfigs
fix: update error handling and validation in payment service
chore: update package scripts and dependencies
docs: update README and env examples

apps/bot/tsup.config.ts

@@ -0,0 +1,20 @@
+import { defineConfig } from "tsup";
+
+export default defineConfig({
+  entry: ["src/index.ts"],
+  format: ["esm"],
+  dts: false,
+  splitting: false,
+  sourcemap: true,
+  clean: true,
+  external: [
+    "@repo/config",
+    "@repo/db",
+    "@repo/logger",
+    "@repo/typescript-config",
+  ],
+  treeshake: true,
+  minify: false,
+  target: "node18",
+  platform: "node",
+});