docs: add example for awscc_accessanalyzer_analyzer

[wellsiau-aws]

Community Note

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Description

First attempt to improve documentation for resource awscc_accessanalyzer_analyzer. I reuse the existing tfplugindocs structure for both templates and examples.

Relates #469

[ewbankkit]

@wellsiau-aws When I run make docs, the changes from your supplied template do not make it into the generated documentation.

[ewbankkit]

LGTM 🚀.

[ewbankkit]

@wellsiau-aws Thanks for the contribution 🎉 👏.