Dev container (#302)

.devcontainer/devcontainer.json

@@ -0,0 +1,37 @@
+{
+    "name": "ESPHome API Client Dev",
+    "image": "ghcr.io/esphome/aioesphomeapi-proto-builder:latest",
+    "extensions": [
+        "ms-python.python",
+        "visualstudioexptteam.vscodeintellicode",
+        // yaml
+        "redhat.vscode-yaml",
+        // editorconfig
+        "editorconfig.editorconfig",
+        // protobuf
+        "pbkit.vscode-pbkit"
+    ],
+    "settings": {
+        "python.languageServer": "Pylance",
+        "python.pythonPath": "/usr/bin/python3",
+        "python.linting.pylintEnabled": true,
+        "python.linting.enabled": true,
+        "python.formatting.provider": "black",
+        "editor.formatOnPaste": false,
+        "editor.formatOnSave": true,
+        "editor.formatOnType": true,
+        "files.trimTrailingWhitespace": true,
+        "terminal.integrated.defaultProfile.linux": "bash",
+        "files.exclude": {
+            "**/.git": true,
+            "**/.DS_Store": true,
+            "**/*.pyc": {
+                "when": "$(basename).py"
+            },
+            "**/__pycache__": true
+        },
+        "files.associations": {
+            "**/.vscode/*.json": "jsonc"
+        }
+    }
+}