Add SQLite support

[fityannugroho]

PR Checklist

Please check if your PR fulfills the following requirements:

Put [x] to check

• The commit message follows our Contributing Guidelines
• Tests for the changes have been added (optional, for bug fixes or features)
• Docs have been added / updated (optional, for bug fixes or features)

PR Type

What kind of change does this PR introduce?

Please check any kind of changes that applies to this PR using [x]

• Bug fix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• ..... (describe the other type)

What is the current behavior?

Please describe the current behavior that you are modifying, or link to a relevant issue.

Issue Number: #56

What is the new behavior?

Add SQLite suppoert as one of database providers.

Other information

If you want to use SQLite database, update these variables in your .env file:

• Set DB_PROVIDER with sqlite
• Set DB_URL with file:{./PATH_TO_DB_FILE}.db