Databricks-cli

What's Changed
1. Allow users to use API 2.1 (with a different format) for jobs
2. Adds ability to list jobs by type.
3. Adds CLI config file (.databrickscfg) to .gitignore

Add the `repos` command group for managing repos with commands `get`, `list`, `create`, `update`, `delete` (https://github.com/databricks/databricks-cli/pull/380)

* Fix "configure --aad-token" command (364)
* [SC-71389] Better exceptions for Pipelines CLI (365)

Add modification_time field to `databricks fs ls -l <path>` (aka `dbfs ls -l <path>`). Modification time of requested path/file will be printed.

Fix a bug where we were using an unsupported click operation.

Add the `pipelines list` command to list Delta Pipelines that have been deployed (333)