Implement Legacy Socket Capability in MD Code (#1041)

* feat: add legacy connection

* fix: merge conflict errors

* feat: functional legacy socket

src/index.ts

@@ -1,4 +1,5 @@
 import makeWASocket from './Socket'
+import makeWALegacySocket from './LegacySocket'
 
 export * from '../WAProto'
 export * from './Utils'
@@ -7,6 +8,10 @@ export * from './Types'
 export * from './Defaults'
 export * from './WABinary'
 
+export type WALegacySocket = ReturnType<typeof makeWALegacySocket>
+
+export { makeWALegacySocket }
+
 export type WASocket = ReturnType<typeof makeWASocket>
 
 export default makeWASocket