use same devcontainer as home assistant core

.devcontainer/devcontainer.json

@@ -0,0 +1,81 @@
+{
+    "name": "Home Assistant Dev",
+    "context": "..",
+    "dockerFile": "../Dockerfile.dev",
+    "postCreateCommand": "git config --global --add safe.directory ${containerWorkspaceFolder} && script/setup",
+    "postStartCommand": "script/bootstrap",
+    "containerEnv": {
+        "PYTHONASYNCIODEBUG": "1"
+    },
+    "features": {
+        "ghcr.io/anthropics/devcontainer-features/claude-code:1.0": {},
+        "ghcr.io/devcontainers/features/github-cli:1": {}
+    },
+    // Port 5683 udp is used by Shelly integration
+    "appPort": [
+        "8123:8123",
+        "5683:5683/udp"
+    ],
+    "runArgs": [
+        "-e",
+        "GIT_EDITOR=code --wait",
+        "--security-opt",
+        "label=disable"
+    ],
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "charliermarsh.ruff",
+                "ms-python.pylint",
+                "ms-python.vscode-pylance",
+                "visualstudioexptteam.vscodeintellicode",
+                "redhat.vscode-yaml",
+                "esbenp.prettier-vscode",
+                "GitHub.vscode-pull-request-github",
+                "GitHub.copilot"
+            ],
+            // Please keep this file in sync with settings in home-assistant/.vscode/settings.default.json
+            "settings": {
+                "python.experiments.optOutFrom": [
+                    "pythonTestAdapter"
+                ],
+                "python.defaultInterpreterPath": "/home/vscode/.local/ha-venv/bin/python",
+                "python.pythonPath": "/home/vscode/.local/ha-venv/bin/python",
+                "python.terminal.activateEnvInCurrentTerminal": true,
+                "python.testing.pytestArgs": [
+                    "--no-cov"
+                ],
+                "pylint.importStrategy": "fromEnvironment",
+                "editor.formatOnPaste": false,
+                "editor.formatOnSave": true,
+                "editor.formatOnType": true,
+                "files.trimTrailingWhitespace": true,
+                "terminal.integrated.profiles.linux": {
+                    "zsh": {
+                        "path": "/usr/bin/zsh"
+                    }
+                },
+                "terminal.integrated.defaultProfile.linux": "zsh",
+                "yaml.customTags": [
+                    "!input scalar",
+                    "!secret scalar",
+                    "!include_dir_named scalar",
+                    "!include_dir_list scalar",
+                    "!include_dir_merge_list scalar",
+                    "!include_dir_merge_named scalar"
+                ],
+                "[python]": {
+                    "editor.defaultFormatter": "charliermarsh.ruff"
+                },
+                "json.schemas": [
+                    {
+                        "fileMatch": [
+                            "homeassistant/components/*/manifest.json"
+                        ],
+                        "url": "${containerWorkspaceFolder}/script/json_schemas/manifest_schema.json"
+                    }
+                ]
+            }
+        }
+    }
+}