Config: Update package.json for npm deployment configuration.

Author: hicks8989

package.json

@@ -2,20 +2,47 @@
   "name": "leetcode-roulette-api",
   "version": "0.0.1",
   "description": "API library for https://api.leetcoderoulette.com",
-  "main": "index.js",
+  "types": "./lib/cjs/types/index.d.ts",
+  "main": "./lib/cjs/index.js",
   "scripts": {
+    "clean": "rm -rf ./lib",
+    "build": "npm run clean && npm run build:esm && npm run build:cjs",
+    "build:esm": "tsc -p ./configs/tsconfig.esm.json && mv lib/esm/index.js lib/esm/index.mjs",
+    "build:cjs": "tsc -p ./configs/tsconfig.cjs.json",
+    "prepack": "npm run build",
     "test": "jest --passWithNoTests",
     "test:ci": "jest --coverage"
   },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/leetcode-roulette/leetcode-roulette-api.git"
   },
+  "exports": {
+    ".": {
+      "import": {
+        "types": "./lib/esm/types/index.d.ts",
+        "default": "./lib/esm/index.mjs"
+      },
+      "require": {
+        "types": "./lib/cjs/types/index.d.ts",
+        "default": "./lib/cjs/index.js"
+      }
+    }
+  },
+  "files": [
+    "lib/**/*"
+  ],
   "author": "Leetcode Roulette",
   "license": "MIT",
   "bugs": {
     "url": "https://github.com/leetcode-roulette/leetcode-roulette-api/issues"
   },
+  "release": {
+    "branches": ["master"]
+  },
+  "publishConfig": {
+    "access": "public"
+  },
   "homepage": "https://github.com/leetcode-roulette/leetcode-roulette-api#readme",
   "devDependencies": {
     "@babel/core": "^7.19.1",
@@ -34,5 +61,9 @@
   },
   "dependencies": {
     "axios": "^1.1.3"
+  },
+  "engines": {
+    "npm": ">=5.5.0",
+    "node": ">=9.3.0"
   }
 }