publish libraries to avoid users to have to download them one by one

lib/IRremoteESP8266/examples/TurnOnFujitsuAC/TurnOnFujitsuAC.ino

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+// Copyright 2017 Jonny Graham
+#include <IRsend.h>
+#include <ir_Fujitsu.h>
+
+IRFujitsuAC fujitsu(5);  // IR led controlled by Pin D1.
+
+void printState() {
+  // Display the settings.
+  Serial.println("Fujitsu A/C remote is in the following state:");
+  Serial.printf("  Command:%d,  Mode: %d, Temp: %dC, Fan Speed: %d," \
+                    " Swing Mode: %d\n",
+                fujitsu.getCmd(), fujitsu.getMode(), fujitsu.getTemp(),
+                fujitsu.getFanSpeed(), fujitsu.getSwing());
+  // Display the encoded IR sequence.
+  unsigned char* ir_code = fujitsu.getRaw();
+  Serial.print("IR Code: 0x");
+  for (uint8_t i = 0; i < FUJITSU_AC_STATE_LENGTH; i++)
+    Serial.printf("%02X", ir_code[i]);
+  Serial.println();
+}
+
+void setup() {
+  fujitsu.begin();
+  Serial.begin(115200);
+  delay(200);
+
+  // Set up what we want to send. See ir_Mitsubishi.cpp for all the options.
+  Serial.println("Default state of the remote.");
+  printState();
+  Serial.println("Setting desired state for A/C.");
+  fujitsu.setCmd(FUJITSU_AC_CMD_TURN_ON);
+  fujitsu.setSwing(FUJITSU_AC_SWING_BOTH);
+  fujitsu.setMode(FUJITSU_AC_MODE_COOL);
+  fujitsu.setFanSpeed(FUJITSU_AC_FAN_HIGH);
+  fujitsu.setTemp(24);
+}
+
+void loop() {
+  // Now send the IR signal.
+  Serial.println("Sending IR command to A/C ...");
+  fujitsu.send();
+  printState();
+  delay(5000);
+}

lib/IRremoteESP8266/examples/TurnOnFujitsuAC/platformio.ini

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+[platformio]
+lib_extra_dirs = ../../
+src_dir=.
+
+[common]
+build_flags =
+lib_deps_builtin =
+lib_deps_external =
+
+[env:nodemcuv2]
+platform = espressif8266
+framework = arduino
+board = nodemcuv2
+build_flags = ${common.build_flags}
+lib_deps =
+  ${common.lib_deps_builtin}
+  ${common.lib_deps_external}