Add ability to configure log level

config/default.yaml

config/production.yaml.example

package.json

scripts/parse-log.ts

server.ts

server/helpers/core-utils.ts

server/helpers/logger.ts

server/initializers/checker.ts

server/initializers/constants.ts

server/models/activitypub/actor-follow.ts

server/tests/api/server/config.ts

support/doc/production.md

yarn.lock