Add GitHub Copilot CLI installation to devcontainer

Co-authored-by: idvoretskyi <[email protected]>

Author: Copilot

.devcontainer/devcontainer.json

@@ -58,7 +58,7 @@
         }
     },
     "forwardPorts": [22],
-    "postCreateCommand": "npm install -g @anthropic-ai/claude-code@latest && echo '🚀 Development environment ready! Docker, Kubernetes (Minikube), Claude Code, and SSH are configured.' && sudo service ssh start",
+    "postCreateCommand": "npm install -g @anthropic-ai/claude-code@latest @github/copilot && echo '🚀 Development environment ready! Docker, Kubernetes (Minikube), Claude Code, GitHub Copilot CLI, and SSH are configured.' && sudo service ssh start",
     "postStartCommand": "sudo service ssh restart",
     "remoteUser": "vscode"
 }

.github/workflows/ci.yml

@@ -68,6 +68,7 @@ jobs:
             which gh || echo "gh is missing"
             which node || echo "node is missing"
             which npm || echo "npm is missing"
+            which github-copilot-cli || echo "github-copilot-cli is missing"
             # Test essential packages
             curl --version
             jq --version