Plugin ecosystem and compatibility for openidea

This issue highlights a critical gap in `openidea`'s extensibility: the lack of a plugin marketplace or compatibility with existing IntelliJ IDEA plugins. The user's attempt to import an IDEA plugin resulting in an 'os error 2' indicates a fundamental architectural incompatibility. A robust plugin ecosystem is a cornerstone of modern IDEs, particularly those aiming to emulate IntelliJ IDEA's feature set. Without it, `openidea` will struggle to match the breadth of functionality and customization expected by professional developers. This limitation severely impacts its competitive positioning, as developers rely heavily on plugins for specialized language support, tools, and workflows. Addressing this requires either building a native plugin ecosystem or developing a compatibility layer, both significant undertakings, but essential for long-term viability and adoption.