Export ESM Runner from index.mjs instead of cjs runner

[prasadmadanayake]

📝 Description

cjs runner is exported from index.mjs instead of esm runner

🎯 Relevant issues

💎 Type of change

• Bug fix (non-breaking change which fixes an issue)

📜 Example code

import {Runner} from 'moleculer'

//can use runner with native esm
const runner = new Runner();
runner.start(["--env","--hot","--repl","--config","service/moleculer.config.ts","service/**.service.ts"])

🚦 How Has This Been Tested?

Created a sample service schema and from the main mjs file created a new runner and tested manually.

🏁 Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have commented my code, particularly in hard-to-understand areas

[PetrChalov]

@prasadmadanayake please see this, this and this

[icebob]

In 0.15 I will drop the esm generator script and it will be solved.