Add AWS config

[eduardoconviso]

Adds AWS client config for the app.

Note: contains an intentionally fake credential for AST PR-scan testing.

[conviso-platform-appsec-staging]

🛡️ Conviso Application Security Scan Results

Summary: 1 Critical | 0 High | 0 Medium | 0 Low

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🛑 Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

Severity: Critical | File: config.py:4

A secret was detected and should be revoked and removed from the codebase.

AWS_SECRET_ACCESS_KEY = "kZ9x*******************************pQwZ"

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