`OllamaPerameter.OllamaPerameterBuilder#addProperty(String, Type, String, boolean)` did not respect whether it's required or not
Corrected so `OllamaPerameter.OllamaPerameterBuilder#removeProperty(String)` also removes it from the required list
Corrected Javadocs
made OllamaPerameter.OllamaPerameterBuilder.Type#type a final
- Move plugin and tool-related classes to a dedicated `Plugin-API` module.
- Introduce a new plugin lifecycle (`onInit`, `onEnable`, `onDisable`) and a more robust `Tool` API.
- Refactor `Core` to use `PrintAdvanceMessageHandler` for improved handling of assistant messages, tool responses, and errors.
- Rename `PluginLoader` to `Loader` and migrate it to `me.zacharias.chat.plugin.loader`.
- Update build configurations and Java toolchains across modules.
- Clean up obsolete plugin annotations and interfaces in the `Core` module.
Zacharias