Update vscode files (#379)

.devcontainer/devcontainer.json

@@ -1,6 +1,8 @@
 {
     "name": "ESPHome API Client Dev",
     "image": "ghcr.io/esphome/aioesphomeapi-proto-builder:latest",
+    "customizations": {
+        "vscode": {
             "extensions": [
                 "ms-python.python",
                 "visualstudioexptteam.vscodeintellicode",
@@ -11,7 +13,6 @@
                 // protobuf
                 "pbkit.vscode-pbkit"
             ],
-    "postCreateCommand": "pip3 install -e .",
             "settings": {
                 "python.languageServer": "Pylance",
                 "python.pythonPath": "/usr/bin/python3",
@@ -36,3 +37,6 @@
                 }
             }
         }
+    },
+    "postCreateCommand": "pip3 install -e ."
+}

.vscode/tasks.json

@@ -11,6 +11,7 @@
       },
       "presentation": {
         "reveal": "never",
+        "close": true,
         "panel": "new"
       },
       "problemMatcher": []