enable pir sensor pullup and fix dht library

platformio.ini

@@ -18,6 +18,6 @@ monitor_speed = 115200
 
 
 lib_deps = 
-    DHT sensor library@1.3.10
+    adafruit/DHT sensor library@1.3.10
     BH1750@1.1.4
     Homie@3.0.0

src/main.cpp

@@ -3,7 +3,8 @@
 
 #include "Arduino.h"
 
-#include "DHT.h"
+#include <Adafruit_Sensor.h> //required for dht library
+#include <DHT.h>
 #include <Wire.h>
 #include <BH1750.h>
 
@@ -54,7 +55,7 @@ void setup() {
   Serial.println();
   Serial.println("Welcome");
 
-  pinMode(PIRPIN, INPUT);
+  pinMode(PIRPIN, INPUT_PULLUP);
 
   Serial.println("initializing dht");
   dht.begin(); // dht pins: 1=power, 2=data, 3=NC, 4=GND. 10k from data to power needed