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

packages/config/package.json

@@ -1,16 +1,32 @@
 {
   "name": "@repo/config",
   "version": "0.0.0",
-  "main": "./src/index.ts",
-  "types": "./src/index.ts",
+  "type": "module",
+  "private": true,
+  "files": [
+    "dist"
+  ],
+  "main": "./dist/index.js",
+  "module": "./dist/index.js",
+  "types": "./dist/index.d.ts",
   "exports": {
-    ".": "./src/index.ts"
+    ".": {
+      "import": {
+        "types": "./dist/index.d.ts",
+        "default": "./dist/index.js"
+      },
+      "require": {
+        "types": "./dist/index.d.cts",
+        "default": "./dist/index.cjs"
+      }
+    }
   },
   "scripts": {
-    "dev": "tsc --watch",
-    "build": "tsc",
-    "clean": "rm -rf dist",
-    "typecheck": "tsc --noEmit"
+    "build": "tsup",
+    "dev": "tsup --watch",
+    "lint": "eslint src/",
+    "check-types": "tsc --noEmit",
+    "clean": "rm -rf dist"
   },
   "dependencies": {
     "znv": "^0.5.0",
@@ -18,6 +34,7 @@
   },
   "devDependencies": {
     "@repo/typescript-config": "*",
-    "typescript": "^5.0.0"
+    "tsup": "^8.3.5",
+    "typescript": "^5.8.3"
   }
 }