Generic collector 2

[turbolytics]

TODO:

• [x] go run cmd/main.go config validate --config=$(PWD)/dev/examples/mongo.http.stdout.yaml
• [x] go run cmd/main.go config invoke --config=$(PWD)/dev/examples/mongo.http.stdout.yaml
• [x] go run cmd/main.go config validate --config=$(PWD)/dev/examples/postgres.fileaudit.yaml
• [x] go run cmd/main.go config invoke --config=$(PWD)/dev/examples/postgres.fileaudit.yaml