Write command output to `stdout` - Typos/grammar mistakes - JSDoc comments improvements

Description

Fixes #113.

The first 4 commits are minor (typos, grammar mistakes, and JSDoc comments). The actual change (related to #113) is in 96ef4ff and affects the following files:

lib/cli/index.js
lib/cli/commands/wp.js
lib/cypress-support/commands.js
lib/modules/run.js

It basically introduces the -w (or --write-to-stdout) flag for the wp command:

program
  .command('wp')
  .description('Execute the WordPress CLI in the running container')
  .option('<command>', 'The WP-CLI command to execute')
  .option('-w,--write-to-stdout', 'Whether to write the output to stdout')
  .action((options) => {
    const command = options.args.join(' ');
    wp(command, packageDir, logFile, !!options.writeToStdout);
  });

and adds an additional (boolean) parameter for that flag to:

wp() (in lib/cli/commands/wp.js), which simply passes the value to run()
run() (in /lib/modules/run.js), which uses that value to determine whether we should write to stdout or not (that way, we prevent CLI users from getting duplicate output)
```
if (writeToStdout) {
  process.stdout.write(succeed || stdout);
}
```

The new writeToStdout parameter is going to be false, by default. We're only setting the flag for the WP Cypress commands in lib/cli/cypress-support/commands.js.

So, we're essentially changing this:

wp(command) {
  cy.exec(`${wpCypress} wp "${command}"`);
}

to that:

wp(command) {
  cy.exec(`${wpCypress} wp --write-to-stdout "${command}"`);
}

I've tested the changes described in this PR on a couple of projects (and with my own Cypress commands) and AFAICT everything is working as expected.

Let me know if you need any more information! 🙂

Change Log

Writes command output to stdout while keeping stderr as it is, to prevent any breaking changes (as described in #113). It introduces an internally used -w, --write-to-stdout flag for the wp command, to prevent CLI users from getting a duplicate output.
In addition to the stdout change, this PR fixes a few minor typos and grammar mistakes
and improves JSDoc comments a bit (consistent tags, capitalization, updates mismatching param names, documents object structures, and adds missing @return tags)

Screenshots/Videos

N/A

Types of changes (if applicable):

[ ] Bug fix (non-breaking change which fixes an issue).
[x] New feature (non-breaking change which adds functionality).
[ ] Breaking change (fix or feature that would cause existing functionality to not work as expected).

Checklist (if applicable):

[x] Meets provided linting standards.

bigbite / wp-cypress