Update README for Database Configuration and Migration Scripts

[ItsLasa]

Purpose

The purpose of this PR is to fix #143. This update is necessary to guide new contributors on how to configure the database correctly and understand the migration process.

Goals

• Add a section in the README for database configuration.
• Include details on how to set up the database.
• Provide example configuration settings.
• Add a section for migration commands.
• Explain the purpose of each command (migration, migration, sync, seed).
• Provide usage examples for each command.
• Update the existing content for clarity and coherence with the new sections.

Approach

• Updated the README to include comprehensive instructions on database setup and configuration.
• Added specific sections for database migration and seeding commands.
• Provided examples and explanations for each command to ensure clarity.

Screenshots

Checklist

• This PR doesn't commit any keys, passwords, tokens, usernames, or other secrets.
• I have read and understood the development best practices guidelines ( http://bit.ly/sef-best-practices )
• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation

Related PRs

Test environment

Learning

[anjula-sack]

Thank you! @ItsLasa