dsh-costa-rica: Costa Rica Country Information Lookup Plugin

dsh-costa-rica is a pure Node plugin for DeepSeek Harness (DSH) that retrieves national information about Costa Rica. The plugin does not rely on external network requests, and its installation command is `dsh plugin add github:uckkk/dsh-costa-rica`. Specific dependency requirements must be met before use, and no concrete usage examples are currently available.