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Adding and deleting bases is not needed and currently blocked. The only thing you can do on the list above is clicking the Edit link on the right to modify your bases. On clicking this, your base details will show:
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Adding modules to your base
Right in the beginning your base will be blank. You should start populating it by dragging and dropping modules from the left sidebar onto it. You can both user the default Styla and custom modules for that.
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