create download service (Requirement 4)

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• [x] Implement as REST Service
• [x] The download service takes a query object as JSON as it is handled by the QueryModel.
• [x] The same logic to build a query applies as for the front end.
• [x] Fetch all records from the database.
• [x] Reject empty queries
• [x] Respond an EXCEL file.
• [x] deploy to production
• [x] block behind authomator

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Open Question Format of the File.

[phish108]

deployment complete