dsh-colombia: Colombia Country Plugin

The DSH plugin `dsh-colombia`, maintained by uckkk, integrates basic geographic and country data for Colombia into DeepSeek Harness. Implemented in pure Node.js with no network dependencies, it resolves external dependency issues when agents process Colombia-related information. It runs with the permissions of the current DSH process and is suitable for scenarios that require accessing basic Colombian data. Users can install it with `dsh plugin add github:uckkk/dsh-colombia`.