chore: replace didyoumean with leven

[saideepesh000]

What kind of change does this PR introduce?
Dependency migration.

Did you add tests for your changes?
No(If I need to add, where should be the first steps to start from).

If relevant, did you update the documentation?
No

Summary

To give suggestions to unknown commands we used didyoumean.js, however, it seems like it's not maintained anymore, so we're using leven.

Issue: #101

Does this PR introduce a breaking change?
This might work differently than the previous solution because each had their own implementations.

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[jamesgeorge007]

Feel free to add a test case here:-

test('suggests the closest match', async t => {
  const { stderr, stdout } = await run(['inti'], { reject: false });
  t.is(stderr.trim(), 'Unknown command inti.');
  t.true(stdout.includes('Did you mean init?'));
});