chore(node-config-provider): export Getters and their configs (#1586)

Author: trivikr

.changeset/empty-trainers-flash.md

@@ -0,0 +1,5 @@
+---
+"@smithy/node-config-provider": patch
+---
+
+Export Getters and their configs

packages/node-config-provider/README.md

@@ -2,3 +2,9 @@
 
 [![NPM version](https://img.shields.io/npm/v/@smithy/node-config-provider/latest.svg)](https://www.npmjs.com/package/@smithy/node-config-provider)
 [![NPM downloads](https://img.shields.io/npm/dm/@smithy/node-config-provider.svg)](https://www.npmjs.com/package/@smithy/node-config-provider)
+
+> An internal package
+
+## Usage
+
+You probably shouldn't, at least directly.

packages/node-config-provider/src/index.ts

@@ -1 +1,4 @@
 export * from "./configLoader";
+export { EnvOptions, GetterFromEnv } from "./fromEnv";
+export { GetterFromConfig, SharedConfigInit } from "./fromSharedConfigFiles";
+export { FromStaticConfig } from "./fromStatic";