v1.0.0

• [enhancement] Add facility to add entity IDs into full text fields in ES. #7
• [enhancement] Add some analysis pipeline that indexes documents into the ES server #6
• [enhancement] Provide an ES Docker image that can be used with the search engine #5
• [enhancement] Add faceting #4
• [enhancement] Add integration test with actual ES server. #3
• [enhancement] Add basic tests. #2
• [enhancement] Set up basic communication logic. #1