Cannot exclude filenames that start with a dot

[yazoooo]

Bug: Unable to Exclude Dotfiles in .codetopromptrc Configuration

Description:
I am using the .codetopromptrc file to configure code2prompt and trying to exclude files that start with a dot (such as .gitignore and .codetopromptrc) using the exclude option. However, I cannot seem to exclude these dotfiles, including the .codetopromptrc file itself. I have tried various patterns, but the dotfiles still appear in the Table of Contents.

Steps to Reproduce:

1. Create a .codetopromptrc configuration file with the following content:

   {
     "suppress_comments": false,
     "line_number": false,
     "encoding": "cl100k_base",
     "filter": "**.tsx, **.js, README.md, notes.txt, **/Dockerfile, package.json, tsconfig.json, *.yml, .env",
     "exclude": "**.txt, tests/*,prototypes/*, **/node_modules/**, **/frontend/build/**, **/.git/**, **/.vscode/**, **/.idea/**, backend/package-lock.json, code2prompt.txt, .gitignore, .codepromptrc",
     "tokens": false
   }
   

2. Run the following command:

   code2prompt --output code2prompt.txt --tokens --path .
   

3. The resulting table of contents still includes dotfiles, such as .gitignore and .codetopromptrc:

   # Table of Contents
   - notes.txt
   - README.md
   - .gitignore
   - .codetopromptrc
   - LICENSE
   - .github/workflows/ci-cd.yml
   - backend/Dockerfile
   - backend/package.json
   - backend/src/app.js
   - backend/src/handlers/health.js
   - frontend/tsconfig.json
   - frontend/package.json
   - frontend/src/react-app-env.d.ts
   - frontend/src/App.tsx
   - frontend/src/index.tsx
   - frontend/src/components/HealthCheck.tsx
   - frontend/src/pages/HealthCheck.tsx
   - frontend/public/index.html
   

Expected Behavior:
Files like .gitignore, .codetopromptrc, and other dotfiles should be excluded as specified in the exclude option.

Attempted Solutions:

• Tried the following patterns in the exclude option to remove dotfiles:
  • .codetopromptrc
  • **.codetopromptrc
  • /\.codetopromptrc

None of these worked to exclude the dotfiles.

note: It might be intended, but if you specify the --gitignore option from the command line then it will ignore the exclude options in the .codetopromptrc file.

Environment: code2prompt version 0.6.5

Possible Fix:
There might be an issue with how the tool processes glob patterns for dotfiles in the exclude option. Support for better handling of dotfile exclusions would resolve this issue.