dsh-indonesia: Indonesia Country Information Query

dsh-indonesia is a DeepSeek Harness plugin developed by istone, providing detailed information queries about Indonesia. It is implemented in pure Node.js with no network dependencies and requires @deepseek-ai/cordis (^4.0.1) and @deepseek-ai/dsh-tools (>=0.1.0-rc.6). The installation command is `dsh plugin add github:uckkk/dsh-indonesia`. Core features include `country_info` (retrieve complete information) and `country_field` (query a single data item by field), with data covering the name, capital, population, currency, and so on.