Fix repository URL in installation instructions

Author: initcron

README.md

@@ -113,8 +113,8 @@ This project is ideal if you:
 
 ```bash
 # 1. Clone the repo
-git clone https://github.com/agenticdevops/devops-execution-engine-.git
-cd devops-execution-engine-
+git clone https://github.com/agenticdevops/devops-execution-engine.git
+cd devops-execution-engine
 
 # 2. Install as Clawdbot skill
 clawdbot skills:install .