Add `compressor`, `compressor station` and subclasses

[l-emele]

Summary of the discussion

Compressor stations are an important part of gas grids.

Type of change (CHANGELOG.md)

Add

• compressor: A compressor is a pump that converts energy into kinetic or potential energy of a gaseous fluid.
• compressor station: A compressor station is an energy transformation unit that has a compressor to enable gas transport via a gas grid.
  • gas turbine compressor station: A gas turbine compressor station is a compressor station that has a gas turbine for driving the compressor.
  • electric compressor station: An electric compressor station is a compressor station that has en elecrtric motor for driving the compressor.

Workflow checklist

Automation

Closes #1813

PR-Assignee

• [ ] 🐙 Follow the Pull Request Workflow
• [ ] 📝 Update the CHANGELOG.md
• [ ] 📙 Add #'s to term tracker item

Reviewer

• [ ] 🐙 Follow the Reviewer Guide
• [ ] 🐙 Provided feedback and show sufficient appreciation for the work done