feat: added @matrixai/lint package and removed old linting elements, ran linting with new js-lint

Author: CDeltakai

.eslintrc

@@ -15,16 +15,9 @@ exec can be used in the following way.
 ```ts
 import { exec } from '@matrixai/exec';
 // This should output the current enviroment while adding `test_env` to it.
-exec.execvp(
-  'node',
-  [
-    '-e',
-    'console.log(process.env)',
-  ],
-  {
-    test_env: 'this value'
-  },
-);
+exec.execvp('node', ['-e', 'console.log(process.env)'], {
+  test_env: 'this value',
+});
 ```
 
 Note that only linux and mac platforms are supported.