- introduce calculate_for_date function to allow EOL query generation for specific dates
- add test cases for EOL query generation with different time spans
- rename `command` field to `sub_command` in `Cli` and `ConfigCli` structs
- rename `Commands` enum to `SubCmds` to reflect its role as subcommand
- update references to the renamed fields and enum variants
- this improves code readability and avoids confusion with other command concepts
🐛 fix(config): correct method name for setting eol action
- rename `set_command` to `set_action` in `EolRule` struct
- update references in `config.rs` to use the correct method name
- this fixes a bug where the eol action was not being set correctly
- migrate labels from Vec to BTreeSet for uniqueness and order
- add `remove_label` function to remove specific labels
- change `labels()` function return type from `&Vec<String>` to `Vec<String>`
- implement `Clone` trait for `EolRule`
- fix the inaccurate description in the `to_string` method for `EolRule`
- correct the description to properly display that the rule moves the message to trash
- rename `command` field in `EolRule` to `action`
- update `set_command` method to use `EolAction` enum
- adjust display formatting to reflect the change to "action"
- add display trait implementation for eolrule struct to provide a user-friendly representation of the rule's configuration
- the display format includes the rule id, labels, and retention period, making it easier to understand the rule's settings
- introduce EolRule struct with fields for id, retention, labels, query, and command
- implement methods for creating new rules, setting retention, and adding labels
- add default implementation for EolRule
