feat: implement the core api request tool functionality

Author: damilola-paystack

package-lock.json

@@ -6,7 +6,7 @@
     "paystack": "./build/index.js"
   },
   "scripts": {
-    "build": "tsc",
+    "build": "tsc && cp -r src/data build/",
     "build:watch": "tsc --watch",
     "dev": "tsx src/index.ts",
     "inspect": "set DANGEROUSLY_OMIT_AUTH=true && CLIENT_PORT=8090 SERVER_PORT=9000 npx @modelcontextprotocol/inspector npm run dev",
@@ -21,7 +21,7 @@
   "dependencies": {
     "@modelcontextprotocol/inspector": "^0.18.0",
     "@modelcontextprotocol/sdk": "^1.25.2",
-    "zod": "^3.25.76"
+    "zod": "^4.3.6"
   },
   "devDependencies": {
     "@apidevtools/swagger-parser": "^12.1.0",