Add useful resources section to integration documents

[codedbychavez]

Describe the purpose of your pull request

Add a useful resources section to integration documents

Related issues (only if applicable)

• Add useful resources section to Google Analytics integration document - This is a supporting PR that was approved.
• Trello ticket - Add useful resources section to each ConfigCat integration document

How to test? (only if applicable)

• What part of the application was affected by the changes?

• What should be tested?

Requirement checklist

• I have validated my changes on a test/local environment.
• I have tested that the code snippets I added work. (Leave unchecked if there are no new code snippets.)
• I have added my changes to the V1 and V2 documentations.

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Deploying configcat-docs with    Cloudflare Pages

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[laliconfigcat]

Could you please add these links to the V1 documentations as well?

[codedbychavez]

Could you please add these links to the V1 documentations as well?

Hi @laliconfigcat

Thanks for the feedback. I made the changes. Let me know what you think.