test: Add ESP32 boards

Author: franky47

.github/workflows/platformio.yml

@@ -25,6 +25,7 @@ jobs:
           - SimpleSynth
           - CustomBaudRate
         board:
+          # Arduino
           - uno
           - due
           - zero
@@ -34,10 +35,14 @@ jobs:
           - nano_every
           - nano33ble
           - megaatmega2560
+          # Teensy
           - teensy2
           - teensy30
           - teensy31
           - teensylc
+          # ESP-32
+          - featheresp32
+          - pico32
     steps:
     - uses: actions/checkout@v2
     - name: Cache pip

.vscode/settings.json

@@ -9,6 +9,68 @@
         "string_view": "cpp",
         "vector": "cpp",
         "istream": "cpp",
-        "system_error": "cpp"
+        "system_error": "cpp",
+        "ios": "cpp",
+        "__bit_reference": "cpp",
+        "__bits": "cpp",
+        "__config": "cpp",
+        "__debug": "cpp",
+        "__errc": "cpp",
+        "__hash_table": "cpp",
+        "__mutex_base": "cpp",
+        "__node_handle": "cpp",
+        "__nullptr": "cpp",
+        "__split_buffer": "cpp",
+        "__std_stream": "cpp",
+        "__string": "cpp",
+        "__threading_support": "cpp",
+        "__tree": "cpp",
+        "__tuple": "cpp",
+        "array": "cpp",
+        "atomic": "cpp",
+        "bit": "cpp",
+        "bitset": "cpp",
+        "cctype": "cpp",
+        "chrono": "cpp",
+        "cinttypes": "cpp",
+        "clocale": "cpp",
+        "cmath": "cpp",
+        "compare": "cpp",
+        "complex": "cpp",
+        "concepts": "cpp",
+        "cstdarg": "cpp",
+        "cstdint": "cpp",
+        "cstdio": "cpp",
+        "cstdlib": "cpp",
+        "cstring": "cpp",
+        "ctime": "cpp",
+        "cwchar": "cpp",
+        "cwctype": "cpp",
+        "deque": "cpp",
+        "exception": "cpp",
+        "coroutine": "cpp",
+        "fstream": "cpp",
+        "initializer_list": "cpp",
+        "iomanip": "cpp",
+        "iosfwd": "cpp",
+        "iostream": "cpp",
+        "limits": "cpp",
+        "locale": "cpp",
+        "map": "cpp",
+        "memory": "cpp",
+        "mutex": "cpp",
+        "new": "cpp",
+        "optional": "cpp",
+        "ratio": "cpp",
+        "sstream": "cpp",
+        "stack": "cpp",
+        "stdexcept": "cpp",
+        "streambuf": "cpp",
+        "tuple": "cpp",
+        "type_traits": "cpp",
+        "typeinfo": "cpp",
+        "unordered_map": "cpp",
+        "variant": "cpp",
+        "algorithm": "cpp"
     }
-}
+}