Moved query conversion into external package

cmd/query-service/main.go

go.mod

go.sum

internal/entity/querystruct.go

internal/usecases/consume/consume.go

internal/usecases/consume/consume_test.go

internal/usecases/convertquery/aql.go

internal/usecases/convertquery/aqlStructs.go

internal/usecases/convertquery/aql_test.go

internal/usecases/convertquery/benchmark.txt

internal/usecases/convertquery/benchmark_test.go

internal/usecases/convertquery/createConstraints.go

internal/usecases/convertquery/interface.go

internal/usecases/convertquery/mock/mockconvertquery.go

internal/usecases/convertquery/queryexamples.txt