Added Best practices which will help to reduce the issues during instance scans.

[nag39g]

The following best practices added:

1. Create Keep Database footprint small
2. Integration best practices
3. Coding Best practices

[SapphicFire]

It appears that this contribution is a duplicate or resembles spam, potentially aiming to game the Hacktoberfest event. As a reminder, submissions marked as spam may lead to account restrictions or disqualifications. Please ensure to make unique and meaningful contributions, and refrain from spamming or duplicating submissions. Closing this as spam.

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