Add allconfig

[Yash-Singh1]

Fixes #1510

[Yash-Singh1]

Lemme split into sep files like: https://github.com/typescript-eslint/typescript-eslint/blob/8218055d6dfd94c9e6c8645848f981d9d51ce08c/packages/eslint-plugin/src/configs/all.ts as @sindresorhus linked earlier (#1510 (comment)).

[sindresorhus]

You need to add the configs directory to package.json

[Yash-Singh1]

Applied suggestions in b79b233

[AriPerkkio]

Coverage of smoke tests could now be increased.

eslint-plugin-unicorn/test/smoke/eslint-remote-tester.config.js

Line 52 in 7bece2a

extends: ['plugin:unicorn/recommended'],

- extends: ['plugin:unicorn/recommended'], 
+ extends: ['plugin:unicorn/all'], 

(It would also be great to include there even the rules which require options but that's out of scope here)