Install DHT11 dependencies

platformio.ini

@@ -12,3 +12,6 @@
 platform = espressif8266
 board = d1_mini
 framework = arduino
+lib_deps =
+  adafruit/DHT sensor library@^1.4.4
+  adafruit/Adafruit Unified Sensor@^1.1.9

src/main.cpp

@@ -0,0 +1,9 @@
+#include <Arduino.h>
+#include <DHT.h>
+
+void setup() { Serial.begin(9600); }
+
+void loop() {
+  Serial.println("Sup dude");
+  delay(1000);
+}