feat: support gh CLI for authentication
#2
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Improvements to authentication token retrieval:
GetGHTokeninutil/github.gothat first checks for theGITHUB_OAUTH_TOKENenvironment variable, and if not found, attempts to retrieve the token using the GitHub CLIgh auth token. If both methods fail, it logs a clear error message and exits.brows.goto use the newutil.GetGHTokenfunction instead of directly reading the environment variable, improving robustness and user experience.Documentation updates:
README.mdto explain the new authentication method, clarifying that either the environment variable or the GitHub CLI can be used to provide the token.fixes #1