feat(md5): now creates md5 hashes

ts/index.ts

@@ -1,3 +1,4 @@
 import * as plugins from './nodehash.plugins';
 
 export * from './nodehash.sha256';
+export * from './nodehash.md5';

ts/nodehash.md5.ts

@@ -0,0 +1,5 @@
+import * as plugins from './nodehash.plugins';
+
+export const md5FromString = async (stringToHash: string) => {
+  return plugins.crypto.createHash('md5').update(stringToHash).digest("hex");
+};