Support initializing project in current directory with './'

[echosoar]

Related to #36

Enhances the dev init command to explicitly support initializing projects in the current directory when the directory name is input as './'.

• Code adjustments in packages/dev/src/init.ts:

  • Updates the prompt message to guide users on using './' to initialize the project in the current directory.
  • Implements explicit handling for './' input, setting the project directory to the current working directory without joining it with any additional path.
  • Maintains existing functionality for other directory inputs, ensuring backward compatibility.

• Documentation updates in README.md:

  • Adds instructions under the init command section, explaining how to use './' for initializing projects in the current directory. This provides clear guidance for users on the new feature.

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For more details, open the Copilot Workspace session.