Add a new context dependent Action for the crontab.xml file generation

[bohdan-harniuk]

Is your feature request related to a problem? Please describe.

We should add crontab.xml file generation to the context actions, so that we can generate a crontab.xml file wherever it can be generated depending on the clicked file or directory.

The original idea came from the #861.

Describe the solution you'd like (*)

We have developed a new context dependent actions group in the #958.

To add new file generation action that depends on context:

1. create an action class that extends com.magento.idea.magento2plugin.actions.context.AbstractContextAction
2. register it in the plugin.xml file inside the MagentoContextBasedActionsGroup group
3. implement the isVisible method to define condition where to show this action
4. implement the getProperties method to specify properties that should be auto-populated from the known context (leave empty for user-defined values)

Additional context

ℹ️ The internal file template is already exist.

Mainline branch: 4.3.0-develop

[m2-assistant]

Hi @bohdan-harniuk. Thank you for your report.
To speed up processing of this issue, make sure that you provided sufficient information.

Add a comment to assign the issue: @magento I am working on this

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[doninAtwix]

@magento I am working on this