Add support for npx dtx create . #166
Description
Current Behavior
If I have an existing project folder or repository, I first run npx dtx create foo, then copy the contents of foo to the root of my project.
Desired Behavior
First cd into an existing project folder, then run npx dtx create . This should then setup all files and folders in the root of the project folder.
Suggested Solution
I suggest using a similar implementation as npx create-next-app . or npx create-react-app .
