Fixed setup of internal dbt project used by Elementary

[abhipalsingh]

Fixes related to #1860 issue based on comment #1860 (comment)

Added dbt-init command to setup internal elementary dbt project so that CI/CD pipelines can inject dbt dependencies when the target environment does not have internet access to download dbt packages.

edr monitor dbt-init

Output:

$ edr monitor dbt-init 

    ________                          __
   / ____/ /__  ____ ___  ___  ____  / /_____ ________  __
  / __/ / / _ \/ __ `__ \/ _ \/ __ \/ __/ __ `/ ___/ / / /
 / /___/ /  __/ / / / / /  __/ / / / /_/ /_/ / /  / /_/ /
/_____/_/\___/_/ /_/ /_/\___/_/ /_/\__/\__,_/_/   \__, /
                                                 /____/


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2025-03-26 00:20:25 — INFO — Running with edr=0.18.0
INFO:elementary.cli.cli:Running with edr=0.18.0
2025-03-26 00:20:25 — INFO — Running dbt command --log-format json deps --project-dir /workspaces/python/elementary/elementary/monitor/dbt_project
INFO:elementary.clients.dbt.command_line_dbt_runner:Running dbt command --log-format json deps --project-dir /workspaces/python/elementary/elementary/monitor/dbt_project
Elementary internal dbt project has been initialized successfully.