ability to use the HA addon devcontainer for dev

Author: alexandrecuer

.devcontainer/devcontainer.json

@@ -0,0 +1,28 @@
+{
+  "name": "Emoncms addon devcontainer",
+  "image": "ghcr.io/home-assistant/devcontainer:addons",
+  "appPort": ["7123:8123", "7357:4357"],
+  "postStartCommand": "bash devcontainer_bootstrap",
+  "runArgs": ["-e", "GIT_EDITOR=code --wait", "--privileged"],
+  "containerEnv": {
+    "WORKSPACE_DIRECTORY": "${containerWorkspaceFolder}"
+  },
+  "customizations": {
+    "vscode": {
+      "extensions": ["timonwong.shellcheck", "esbenp.prettier-vscode"],
+      "settings": {
+        "terminal.integrated.profiles.linux": {
+          "zsh": {
+            "path": "/usr/bin/zsh"
+          }
+        },
+        "terminal.integrated.defaultProfile.linux": "zsh",
+        "editor.formatOnPaste": false,
+        "editor.formatOnSave": true,
+        "editor.formatOnType": true,
+        "files.trimTrailingWhitespace": true
+      }
+    }
+  },
+  "mounts": [ "type=volume,target=/var/lib/docker" ]
+}

.vscode/tasks.json

@@ -0,0 +1,19 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+      {
+        "label": "Start Home Assistant",
+        "type": "shell",
+        "command": "supervisor_run",
+        "group": {
+          "kind": "test",
+          "isDefault": true
+        },
+        "presentation": {
+          "reveal": "always",
+          "panel": "new"
+        },
+        "problemMatcher": []
+      }
+    ]
+}