build(server): 👷 configure platformIO and Wokwi for testing sources

server/.gitignore

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+.pio
+.vscode/launch.json
+.vscode/c_cpp_properties.json

server/diagram.json

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+{
+    "version": 1,
+    "author": "Uri Shaked",
+    "editor": "wokwi",
+    "parts": [
+      { "type": "wokwi-esp32-devkit-v1", "id": "esp", "top": 0, "left": 0, "attrs": {} },
+      { "type": "wokwi-resistor", "id": "r1", "top": 90.3, "left": -73.17, "attrs": {} },
+      { "type": "wokwi-resistor", "id": "r2", "top": 101.63, "left": -63.17, "attrs": {} },
+      {
+        "type": "wokwi-led",
+        "id": "led1",
+        "top": 50.3,
+        "left": -106.5,
+        "attrs": { "color": "blue" }
+      },
+      {
+        "type": "wokwi-led",
+        "id": "led2",
+        "top": 68.96,
+        "left": -127.84,
+        "attrs": { "color": "green" }
+      }
+    ],
+    "connections": [
+      [ "esp:TX0", "$serialMonitor:RX", "", [] ],
+      [ "esp:RX0", "$serialMonitor:TX", "", [] ],
+      [ "r1:1", "led1:A", "green", [ "v0.07", "h-10" ] ],
+      [ "r2:1", "led2:A", "green", [ "v0" ] ],
+      [ "esp:GND.2", "led2:C", "black", [ "h0" ] ],
+      [ "esp:GND.2", "led1:C", "black", [ "h0" ] ],
+      [ "esp:D26", "r1:2", "green", [ "h0" ] ],
+      [ "r2:2", "esp:D27", "green", [ "v0" ] ]
+    ]
+  }

server/platformio.ini

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+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[env:esp32]
+platform = espressif32
+framework = arduino
+board = esp32dev
+lib_deps = me-no-dev/ESP Async WebServer@^1.2.4

server/wokwi.toml

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+[wokwi]
+version = 1
+elf = ".pio/build/esp32/firmware.elf"
+firmware = ".pio/build/esp32/firmware.bin"
+
+# Forward http://localhost:8180 to port 80 on the simulated ESP32:
+[[net.forward]]
+from = "localhost:8180"
+to = "target:80"