DVX-670: Added support for additional workflow packages (including custom packages)

[Aryamanz29]

• Added a method TableauCrawler.offline() to fetch metadata directly from the S3 bucket.
• Added support for new custom package - AssetImportPackage

TODOs

• Add two more custom packages (similar to AssetImportPackage) : asset-export-basic and relational-assets-builder.
• Perform manual testing for:
  • TableauCrawler.offline()
  • AssetImportPackage
  • asset-export-basic
  • relational-assets-builder.
• Add unit tests in: unit/test_packages.py.
• Add or update the developer portal: https://developer.atlan.com/snippets/workflows/packages.

[Aryamanz29]

@0xquark, you can use the following commands locally before pushing your commit:

1. For code formatting: 🧹

   ./pyatlan-formatter
   

2. For code QA checks (black, flake8, mypy checks): ✅

   ./qa-checks
   

[Aryamanz29]

Let's update __init__.py to include the newly added custom packages, specifying the names of the modules or classes we want to expose when the package is imported.

from .big_query_crawler import BigQueryCrawler
from .confluent_kafka_crawler import ConfluentKafkaCrawler
from .connection_delete import ConnectionDelete
from .dbt_crawler import DbtCrawler
from .dynamo_d_b_crawler import DynamoDBCrawler
from .glue_crawler import GlueCrawler
from .postgres_crawler import PostgresCrawler
from .powerbi_crawler import PowerBICrawler
from .s_q_l_server_crawler import SQLServerCrawler
from .sigma_crawler import SigmaCrawler
from .snowflake_crawler import SnowflakeCrawler
from .snowflake_miner import SnowflakeMiner
from .tableau_crawler import TableauCrawler
from .asset_import import AssetImport
from .asset_export_basic import AssetExportBasic

__all__ = [
    "BigQueryCrawler",
    "ConfluentKafkaCrawler",
    "ConnectionDelete",
    "DbtCrawler",
    "DynamoDBCrawler",
    "GlueCrawler",
    "PostgresCrawler",
    "PowerBICrawler",
    "SQLServerCrawler",
    "SigmaCrawler",
    "SnowflakeCrawler",
    "SnowflakeMiner",
    "TableauCrawler",
    "AssetImport",
    "AssetExportBasic",
]

[0xquark]

Thanks @Aryamanz29 for the review 🙇