Fix for issue of Duplicate Workspace in yarn berry (fix: #16110)

[customautosys]

The solution is to create an empty yarn.lock so that src-capacitor is considered to be a separate yarn project and not a workspace of the parent project folder. This is a simple but effective fix to the problem of not being able to add Capacitor mode when using yarn berry.

Proposed fix for #16110

What kind of change does this PR introduce?

• Bugfix
• Feature
• Documentation
• Code style update
• Refactor
• Build-related changes
• Other, please describe:

Does this PR introduce a breaking change?

• Yes
• No

The PR fulfills these requirements:

• It's submitted to the dev branch (or v[X] branch)
• When resolving a specific issue, it's referenced in the PR's title (e.g. fix: #xxx[,#xxx], where "xxx" is the issue number)
• It's been tested on a Cordova (iOS, Android) app
• It's been tested on an Electron app
• Any necessary documentation has been added or updated in the docs or explained in the PR's description.

If adding a new feature, the PR's description includes:

• A convincing reason for adding this feature (to avoid wasting your time, it's best to start a new feature discussion first and wait for approval before working on it)

Other information:

[customautosys]

Hi @rstoenescu, I tried recently with a new project, and adding capacitor mode is still not working with yarn berry in the current @quasar/cli release. Can my fix be considered please?