Adding typescript definitions

index.d.ts

@@ -0,0 +1,5 @@
+import { ServiceConfigurationOptions } from "aws-sdk/lib/service";
+
+export default function(
+  options: ServiceConfigurationOptions
+): ServiceConfigurationOptions;

package.json

@@ -1,8 +1,9 @@
 {
   "name": "aws-config",
-  "version": "1.2.0",
+  "version": "1.3.1",
   "description": "Encapsulates boilerplate AWS config setup",
   "main": "index.js",
+  "types": "./index.d.ts",
   "scripts": {
     "test": "mocha --reporter spec --bail --check-leaks test/",
     "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/",
@@ -13,7 +14,8 @@
     "url": "https://github.com/aerobatic/aws-config"
   },
   "files": [
-    "index.js"
+    "index.js",
+    "index.d.ts"
   ],
   "keywords": [
     "aws-sdk",
@@ -22,7 +24,7 @@
   "author": "David Von Lehman (https://github.com/dvonlehman)",
   "license": "MIT",
   "dependencies": {
-    "aws-sdk": "^2.257.1",
+    "aws-sdk": "^2.401.0",
     "extend": "^3.0.1",
     "https-proxy-agent": "^2.2.1",
     "is-ec2": "^1.0.2"
@@ -34,4 +36,4 @@
     "mocha": "^5.2.0",
     "sinon": "^6.0.0"
   }
-}
+}