/colcon-test-result

Display detailed test results from the ROS 2 workspace

Display detailed test results from the ROS 2 workspace with colcon test-result.

## Steps to Execute

### 0. Find Git Repository Root

First, find the Git repository root directory:

- Traverse up from the current working directory to find the directory containing `.git`
- Start from current directory and check each parent directory for `.git` directory or file
- The first directory containing `.git` is the Git repository root
- If no `.git` found, display error: "Error: Not in a Git repository. Please run this command from within a Git repository."

### 1. Find ROS 2 Workspace Root

**Chec...