Covalent

Added

- Quantum chemistry tutorial.

Added

- Docstrings with typehints for covalent dispatcher functions added.

Changed

- Replaced `node` to `node_id` in `electron.py`.

- Removed unnecessary `enumerate` in `covalent_dispatcher/_core/__init__.py`.

- Removed `get_node_device_mapping` function from `covalent_dispatcher/_core/__init__.py`
and moved the definition to directly add the mapping to `workflow_schedule`.

- Replaced iterable length comparison for `executor_specific_exec_cmds` from `if len(executor_specific_exec_cmds) > 0`
to `if executor_specific_exec_cmds`.

Added

- Executors can now accept the name of a Conda environment. If that environment exists, the operations of any electron using that executor are performed in that Conda environment.

Changed

- How to estimate lattice execution time has been renamed to How to query lattice execution time.
- Change result querying syntax in how-to guides from `lattice.get_result` to
`covalent.get_result`.
- Choose random port for Dask dashboard address by setting `dashboard_address` to ':0' in
`LocalCluster`.

Fixed

- "Default" executor plugins are included as part of the package upon install.

Fixed

- Upgraded dask to 2021.10.0 based on a vulnerability report