Refactoring the code and adding improvements

Autocomplete for --define flag

• Reads the environment variables and autocomplete them in json format
• Autocomplete the environment variable
  process.env.NODE_ENV

Autocomplete for --load flag

Auto complete file extensions with valid loaders

Fixed bug when autocompleting recent packages

Previously, when adding multiple packages in the same command, the autocomplete did not work well.

bun add react vite esbuild nanoid

Before:

After:
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• recent
• popular

Autocomplete for remove command

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• Dependencies
• Dev Dependencies
• Optional Dependencies
• Peer Dependencies

Segmentation for the run command

Segmentation in

• files
• binaries
• scripts