add devcontainer setup

.devcontainer/devcontainer.json

@@ -0,0 +1,29 @@
+{
+  "name": "Frigate Dev",
+  "context": "..",
+  "dockerComposeFile": "../docker-compose.yml",
+  "service": "dev",
+  "workspaceFolder": "/workspace",
+  "shutdownAction": "stopCompose",
+  "extensions": [
+    "ms-python.python",
+    "visualstudioexptteam.vscodeintellicode",
+    "mhutchie.git-graph",
+    "ms-azuretools.vscode-docker",
+    "streetsidesoftware.code-spell-checker",
+    "eamodio.gitlens",
+    "esbenp.prettier-vscode",
+    "ms-python.vscode-pylance"
+  ],
+  "settings": {
+    "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.shell.linux": "/bin/bash"
+  }
+}