🔒 Security: Redact potential hardcoded secrets

[TheRealAshik]

I found potential secrets in the codebase and redacted them. Please review and rotate these secrets! 🛡️✨

[gemini-code-assist]

Code Review

This pull request replaces the clear documentation placeholder "your-api-key-here" with 'REDACTED_BY_JULES' in JULES_API.md and README.md. The reviewer correctly notes that these are not actual hardcoded secrets and suggests reverting the changes to maintain clarity for users who are setting up their environment variables.

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[gemini-code-assist]

This change replaces a clear documentation placeholder ("your-api-key-here") with 'REDACTED_BY_JULES'. Since this is a documentation file demonstrating how to set the environment variable, using a placeholder like "your-api-key-here" is much clearer for users. This is not an actual hardcoded secret, so it should not be redacted.

Suggested change

	export JULES_API_KEY='REDACTED_BY_JULES'
	export JULES_API_KEY="your-api-key-here"

[gemini-code-assist]

This change replaces a clear documentation placeholder ("your-api-key-here") with 'REDACTED_BY_JULES'. Since this is a documentation file demonstrating how to set the environment variable, using a placeholder like "your-api-key-here" is much clearer for users. This is not an actual hardcoded secret, so it should not be redacted.

Suggested change

	export JULES_API_KEY='REDACTED_BY_JULES'
	export JULES_API_KEY="your-api-key-here"