feat: sqlite database implementation

[vansangpfiev]

Describe Your Changes

Use sqlite database to replace model.list

• Library: SQLiteCpp
• Keep the data structure the same as model.list
  • model_id: Unique identifier for the model
  • author_repo_id: Author or repository identifier
  • branch_name: Branch name in the repository
  • path_to_model_yaml: Path to the model's YAML file
  • model_alias: Shortened alias for the model
• Use cpp:result for return value

Fixes Issues

• Closes epic: SQLite database implementation #1241

Self Checklist

• Added relevant comments, esp in complex areas
• Updated docs (for bug fixes / features)
• Created issues for follow-up changes or refactoring needed

[namchuai]

✅ looks good to me. Great work!

[dan-menlo]

@gabrielle-ong We will need to account for this in the QA checklist - i.e. ensuring that model list etc is persisted correctly in sqlite