fix(init): handle already existing path

[riginding]

This should fix the bug mentioned in #814 .

I wanted to write test for it but I had some problems testing the create_project_function.
I think to test this properly I would need to use dependency injection and pass at_least input to ask_url and ask_bool function. I wanted to ask first if this is the prefered way to do it before I start changing more of the code.

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[Keats]

The easiest way to test that would be to extract the actual creation into an another function that takes the result of the questions so it can be tested easily

[Keats]

@riginding ping

[riginding]

Sorry, for taking such a long time. I totally forgot that I opened this pull request.
I've now added the necessary tests.

[Keats]

Perfect, thanks!