Add main interface for library

Author: metcoder95

types/index.d.ts

@@ -55,5 +55,12 @@ export interface DotenvConfigOutput {
  *
  */
 export function config(options?: DotenvConfigOptions): DotenvConfigOutput;
+
+/** dotenv library interface */
+export interface dotenv {
+  config: typeof config;
+  parse: typeof parse;
+}
+
 /** @deprecated since v7.0.0 Use config instead. */
 export const load: typeof config;

types/test.ts

@@ -1,4 +1,9 @@
-import { config, parse } from "dotenv";
+import * as DotEnv from "dotenv";
+
+const { config, parse }: DotEnv.dotenv = {
+  config: DotEnv.config,
+  parse: DotEnv.parse
+};
 
 const env = config();
 const dbUrl: string | null =