* Add monitor-only label
* Add tests for monitor-only
* Treat missing monitor-only label as if the option was set to false
* Add docs for container-based monitor-only
* Add function doc
* Fix monitor-only logic
* Adds scopeUID config to enable multiple instances of Watchtower
* Adds tests for multiple instance support with scopeuid
* Adds docs on scope monitoring and multiple instance support
* Adds multiple instances docs to mkdocs config file
* Changes multiple instances check and refactors naming for scope feature
* Applies linter suggestions
* Fixes documentation on Watchtower monitoring scope