To support latest version of PlaformIO

Author: luc-github

.vscode/extensions.json

@@ -1,7 +1,7 @@
 {
-	// See http://go.microsoft.com/fwlink/?LinkId=827846
-	// for the documentation about the extensions.json format
-	"recommendations": [
-		"platformio.platformio-ide"
-	]
-}
+    // See http://go.microsoft.com/fwlink/?LinkId=827846
+    // for the documentation about the extensions.json format
+    "recommendations": [
+        "platformio.platformio-ide"
+    ]
+}

platformio.ini

@@ -14,6 +14,7 @@ build_dir   = .pioenvs
 lib_dir     = libraries
 libdeps_dir = .piolibdeps
 data_dir = esp3d/data
+default_envs = esp32dev
 
 [env:esp32dev]
 platform = https://github.com/platformio/platform-espressif32.git